Factors of 4389
The factors of 4389 are 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389. It has 16 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 4389 is a whole number that divides it with nothing left over. You only need to test the numbers up to √4389 ≈ 66.25; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 16 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 7680. Without 4389 itself that is 3291, so 4389 is a deficient number.
LaTeX source of the formulas on this page
\[ 4389 = 3 \times 7 \times 11 \times 19 \]
Factor pairs of 4389
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 4389 | 1 × 4389 = 4389 |
| 3 | 1463 | 3 × 1463 = 4389 |
| 7 | 627 | 7 × 627 = 4389 |
| 11 | 399 | 11 × 399 = 4389 |
| 19 | 231 | 19 × 231 = 4389 |
| 21 | 209 | 21 × 209 = 4389 |
| 33 | 133 | 33 × 133 = 4389 |
| 57 | 77 | 57 × 77 = 4389 |
Questions
What are the factors of 4389?
The factors of 4389 are 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389. It has 16 factors.
What are the prime factors of 4389?
3, 7, 11, 19. As a product: 3 × 7 × 11 × 19.
How many factors does 4389 have?
4389 has 16 factors (8 factor pairs).
What is the sum of the factors of 4389?
7680.
Is 4389 a prime number?
No. It is divisible by 3, so 4389 = 3 × 1463.