31997217

素因数分解:

$3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{4391}}^1$

素因数の和:4748

約数の個数: 16

約数和(自身を含む): 48909312

約数和(自身を除く): 16912095

約数列:

[1, 3, 7, 21, 347, 1041, 2429, 4391, 7287, 13173, 30737, 92211, 1523677, 4571031, 10665739, 31997217]

約数ペア:

[(1, 31997217), (3, 10665739), (7, 4571031), (21, 1523677), (347, 92211), (1041, 30737), (2429, 13173), (4391, 7287)]