Factors of 1813

7, 37. As a product: 7^2 × 37.

The factors of 1813 are 1, 7, 37, 49, 259, 1813. It has 6 factors.

Factors of 1813

Pick any whole number from 1 to 10,000.

1813 = 7^{2} \times 37

How to work it out

1
A factor of 1813 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1813 ≈ 42.58; 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.
$1813 = 7^{2} \times 37$
4
Add all the factors: 1 + 7 + 37 + 49 + 259 + 1813 = 2166. Without 1813 itself that is 353, so 1813 is a deficient number.

LaTeX source of the formulas on this page

\[ 1813 = 7^{2} \times 37 \]

What are the factors of 1813?

The factors of 1813 are 1, 7, 37, 49, 259, 1813. It has 6 factors.

What are the prime factors of 1813?

7, 37. As a product: $7^{2}$ × 37.

How many factors does 1813 have?

1813 has 6 factors (3 factor pairs).

What is the sum of the factors of 1813?

2166.

Is 1813 a prime number?

No. It is divisible by 7, so 1813 = 7 × 259.