2813993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 3713472

約数和(自身を除く): 899479

約数列:

[1, 7, 13, 17, 91, 107, 119, 221, 289, 749, 1391, 1547, 1819, 2023, 3757, 9737, 12733, 23647, 26299, 30923, 165529, 216461, 401999, 2813993]

約数ペア:

[(1, 2813993), (7, 401999), (13, 216461), (17, 165529), (91, 30923), (107, 26299), (119, 23647), (221, 12733), (289, 9737), (749, 3757), (1391, 2023), (1547, 1819)]