15907801

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 21404412

約数和(自身を除く): 5496611

約数列:

[1, 7, 13, 17, 49, 91, 113, 119, 169, 221, 637, 791, 833, 1183, 1469, 1547, 1921, 2873, 5537, 8281, 10283, 10829, 13447, 19097, 20111, 24973, 71981, 94129, 133679, 140777, 174811, 324649, 935753, 1223677, 2272543, 15907801]

約数ペア:

[(1, 15907801), (7, 2272543), (13, 1223677), (17, 935753), (49, 324649), (91, 174811), (113, 140777), (119, 133679), (169, 94129), (221, 71981), (637, 24973), (791, 20111), (833, 19097), (1183, 13447), (1469, 10829), (1547, 10283), (1921, 8281), (2873, 5537)]