13843431

素因数分解:

$3^2\times 7^2\times {\mathrm{31391}}^1$

素因数の和:31411

約数の個数: 18

約数和(自身を含む): 23261472

約数和(自身を除く): 9418041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 31391, 94173, 219737, 282519, 659211, 1538159, 1977633, 4614477, 13843431]

約数ペア:

[(1, 13843431), (3, 4614477), (7, 1977633), (9, 1538159), (21, 659211), (49, 282519), (63, 219737), (147, 94173), (441, 31391)]