Factors of 9855
The factors of 9855 are 1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855. It has 16 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 9855 is a whole number that divides it with nothing left over. You only need to test the numbers up to √9855 ≈ 99.27; 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 17760. Without 9855 itself that is 7905, so 9855 is a deficient number.
LaTeX source of the formulas on this page
\[ 9855 = 3^{3} \times 5 \times 73 \]Factor pairs of 9855
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 9855 | 1 × 9855 = 9855 |
| 3 | 3285 | 3 × 3285 = 9855 |
| 5 | 1971 | 5 × 1971 = 9855 |
| 9 | 1095 | 9 × 1095 = 9855 |
| 15 | 657 | 15 × 657 = 9855 |
| 27 | 365 | 27 × 365 = 9855 |
| 45 | 219 | 45 × 219 = 9855 |
| 73 | 135 | 73 × 135 = 9855 |
Questions
What are the factors of 9855?
The factors of 9855 are 1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855. It has 16 factors.
What are the prime factors of 9855?
3, 5, 73. As a product: × 5 × 73.
How many factors does 9855 have?
9855 has 16 factors (8 factor pairs).
What is the sum of the factors of 9855?
17760.
Is 9855 a prime number?
No. It is divisible by 3, so 9855 = 3 × 3285.