31910931

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2549}}^1$

素因数の和:2675

約数の個数: 24

約数和(自身を含む): 50122800

約数和(自身を除く): 18211869

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 2549, 4173, 7647, 12519, 22941, 33137, 99411, 272743, 298233, 818229, 2454687, 3545659, 10636977, 31910931]

約数ペア:

[(1, 31910931), (3, 10636977), (9, 3545659), (13, 2454687), (39, 818229), (107, 298233), (117, 272743), (321, 99411), (963, 33137), (1391, 22941), (2549, 12519), (4173, 7647)]