42618121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^2$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 55567680

約数和(自身を除く): 12949559

約数列:

[1, 7, 13, 19, 91, 133, 157, 247, 1099, 1729, 2041, 2983, 14287, 20881, 24649, 38779, 172543, 271453, 320437, 468331, 2243059, 3278317, 6088303, 42618121]

約数ペア:

[(1, 42618121), (7, 6088303), (13, 3278317), (19, 2243059), (91, 468331), (133, 320437), (157, 271453), (247, 172543), (1099, 38779), (1729, 24649), (2041, 20881), (2983, 14287)]