78640023

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1229}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 131304960

約数和(自身を除く): 52664937

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 277, 831, 1229, 1939, 3047, 3687, 5817, 8603, 9141, 13519, 21329, 25809, 40557, 63987, 94633, 283899, 340433, 1021299, 2383031, 3744763, 7149093, 11234289, 26213341, 78640023]

約数ペア:

[(1, 78640023), (3, 26213341), (7, 11234289), (11, 7149093), (21, 3744763), (33, 2383031), (77, 1021299), (231, 340433), (277, 283899), (831, 94633), (1229, 63987), (1939, 40557), (3047, 25809), (3687, 21329), (5817, 13519), (8603, 9141)]