491120643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{159403}}^1$

素因数の和:159498

約数の個数: 16

約数和(自身を含む): 714129920

約数和(自身を除く): 223009277

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 159403, 478209, 2072239, 6216717, 12592837, 37778511, 163706881, 491120643]

約数ペア:

[(1, 491120643), (3, 163706881), (13, 37778511), (39, 12592837), (79, 6216717), (237, 2072239), (1027, 478209), (3081, 159403)]