Factors of 1431

3, 53. As a product: 3^3 × 53.

The factors of 1431 are 1, 3, 9, 27, 53, 159, 477, 1431. It has 8 factors.

Factors of 1431

Pick any whole number from 1 to 10,000.

1431 = 3^{3} \times 53

How to work it out

1
A factor of 1431 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1431 ≈ 37.83; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 8 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$1431 = 3^{3} \times 53$
4
Add all the factors: 1 + 3 + 9 + 27 + 53 + 159 + 477 + 1431 = 2160. Without 1431 itself that is 729, so 1431 is a deficient number.

LaTeX source of the formulas on this page

\[ 1431 = 3^{3} \times 53 \]

What are the factors of 1431?

The factors of 1431 are 1, 3, 9, 27, 53, 159, 477, 1431. It has 8 factors.

What are the prime factors of 1431?

3, 53. As a product: $3^{3}$ × 53.

How many factors does 1431 have?

1431 has 8 factors (4 factor pairs).

What is the sum of the factors of 1431?

2160.

Is 1431 a prime number?

No. It is divisible by 3, so 1431 = 3 × 477.