31780731

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 43021440

約数和(自身を除く): 11240709

約数列:

[1, 3, 131, 193, 393, 419, 579, 1257, 25283, 54889, 75849, 80867, 164667, 242601, 10593577, 31780731]

約数ペア:

[(1, 31780731), (3, 10593577), (131, 242601), (193, 164667), (393, 80867), (419, 75849), (579, 54889), (1257, 25283)]