Factors of 4491

3, 499. As a product: 3^2 × 499.

The factors of 4491 are 1, 3, 9, 499, 1497, 4491. It has 6 factors.

Factors of 4491

Pick any whole number from 1 to 10,000.

4491 = 3^{2} \times 499

How to work it out

1
A factor of 4491 is a whole number that divides it with nothing left over. You only need to test the numbers up to √4491 ≈ 67.01; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 6 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$4491 = 3^{2} \times 499$
4
Add all the factors: 1 + 3 + 9 + 499 + 1497 + 4491 = 6500. Without 4491 itself that is 2009, so 4491 is a deficient number.

LaTeX source of the formulas on this page

\[ 4491 = 3^{2} \times 499 \]

What are the factors of 4491?

The factors of 4491 are 1, 3, 9, 499, 1497, 4491. It has 6 factors.

What are the prime factors of 4491?

3, 499. As a product: $3^{2}$ × 499.

How many factors does 4491 have?

4491 has 6 factors (3 factor pairs).

What is the sum of the factors of 4491?

6500.

Is 4491 a prime number?

No. It is divisible by 3, so 4491 = 3 × 1497.