201661915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23327}}^1$

素因数の和:23371

約数の個数: 32

約数和(自身を含む): 313528320

約数和(自身を除く): 111866405

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 23327, 116635, 163289, 303251, 443213, 816445, 1516255, 2122757, 2216065, 3102491, 5761769, 10613785, 15512455, 28808845, 40332383, 201661915]

約数ペア:

[(1, 201661915), (5, 40332383), (7, 28808845), (13, 15512455), (19, 10613785), (35, 5761769), (65, 3102491), (91, 2216065), (95, 2122757), (133, 1516255), (247, 816445), (455, 443213), (665, 303251), (1235, 163289), (1729, 116635), (8645, 23327)]