105540757

素因数分解:

$7^4\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 20

約数和(自身を含む): 124532460

約数和(自身を除く): 18991703

約数列:

[1, 7, 49, 113, 343, 389, 791, 2401, 2723, 5537, 19061, 38759, 43957, 133427, 271313, 307699, 933989, 2153893, 15077251, 105540757]

約数ペア:

[(1, 105540757), (7, 15077251), (49, 2153893), (113, 933989), (343, 307699), (389, 271313), (791, 133427), (2401, 43957), (2723, 38759), (5537, 19061)]