1520792287721

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{3313}}^1\times {\mathrm{3769}}^1$

素因数の和:7353

約数の個数: 32

約数和(自身を含む): 1765521039360

約数和(自身を除く): 244728751639

約数列:

[1, 7, 127, 137, 889, 959, 3313, 3769, 17399, 23191, 26383, 121793, 420751, 453881, 478663, 516353, 2945257, 3177167, 3350641, 3614471, 12486697, 57642887, 65576831, 87406879, 403500209, 459037817, 1585810519, 1710677489, 11100673633, 11974742423, 217256041103, 1520792287721]

約数ペア:

[(1, 1520792287721), (7, 217256041103), (127, 11974742423), (137, 11100673633), (889, 1710677489), (959, 1585810519), (3313, 459037817), (3769, 403500209), (17399, 87406879), (23191, 65576831), (26383, 57642887), (121793, 12486697), (420751, 3614471), (453881, 3350641), (478663, 3177167), (516353, 2945257)]