31386849

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 46801152

約数和(自身を除く): 15414303

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1997, 5239, 5991, 15717, 25961, 61907, 77883, 185721, 337493, 804791, 1012479, 2414373, 10462283, 31386849]

約数ペア:

[(1, 31386849), (3, 10462283), (13, 2414373), (31, 1012479), (39, 804791), (93, 337493), (169, 185721), (403, 77883), (507, 61907), (1209, 25961), (1997, 15717), (5239, 5991)]