51603643

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 64480416

約数和(自身を除く): 12876773

約数列:

[1, 7, 13, 91, 169, 181, 241, 1183, 1267, 1687, 2353, 3133, 16471, 21931, 30589, 40729, 43621, 214123, 285103, 305347, 567073, 3969511, 7371949, 51603643]

約数ペア:

[(1, 51603643), (7, 7371949), (13, 3969511), (91, 567073), (169, 305347), (181, 285103), (241, 214123), (1183, 43621), (1267, 40729), (1687, 30589), (2353, 21931), (3133, 16471)]