165220391

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{3989}}^1$

素因数の和:4154

約数の個数: 16

約数和(自身を含む): 193945920

約数和(自身を除く): 28725529

約数列:

[1, 7, 61, 97, 427, 679, 3989, 5917, 27923, 41419, 243329, 386933, 1703303, 2708531, 23602913, 165220391]

約数ペア:

[(1, 165220391), (7, 23602913), (61, 2708531), (97, 1703303), (427, 386933), (679, 243329), (3989, 41419), (5917, 27923)]