201520137

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38851}}^1$

素因数の和:38893

約数の個数: 32

約数和(自身を含む): 348113920

約数和(自身を除く): 146593783

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 38851, 116553, 271957, 505063, 738169, 815871, 1515189, 2214507, 3535441, 5167183, 9596197, 10606323, 15501549, 28788591, 67173379, 201520137]

約数ペア:

[(1, 201520137), (3, 67173379), (7, 28788591), (13, 15501549), (19, 10606323), (21, 9596197), (39, 5167183), (57, 3535441), (91, 2214507), (133, 1515189), (247, 815871), (273, 738169), (399, 505063), (741, 271957), (1729, 116553), (5187, 38851)]