81924479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{52957}}^1$

素因数の和:52994

約数の個数: 16

約数和(自身を含む): 106763328

約数和(自身を除く): 24838849

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 52957, 370699, 688441, 900269, 4819087, 6301883, 11703497, 81924479]

約数ペア:

[(1, 81924479), (7, 11703497), (13, 6301883), (17, 4819087), (91, 900269), (119, 688441), (221, 370699), (1547, 52957)]