Factors of 1233

3, 137. As a product: 3^2 × 137.

The factors of 1233 are 1, 3, 9, 137, 411, 1233. It has 6 factors.

Factors of 1233

Pick any whole number from 1 to 10,000.

1233 = 3^{2} \times 137

How to work it out

1
A factor of 1233 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1233 ≈ 35.11; 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.
$1233 = 3^{2} \times 137$
4
Add all the factors: 1 + 3 + 9 + 137 + 411 + 1233 = 1794. Without 1233 itself that is 561, so 1233 is a deficient number.

LaTeX source of the formulas on this page

\[ 1233 = 3^{2} \times 137 \]

What are the factors of 1233?

The factors of 1233 are 1, 3, 9, 137, 411, 1233. It has 6 factors.

What are the prime factors of 1233?

3, 137. As a product: $3^{2}$ × 137.

How many factors does 1233 have?

1233 has 6 factors (3 factor pairs).

What is the sum of the factors of 1233?

1794.

Is 1233 a prime number?

No. It is divisible by 3, so 1233 = 3 × 411.