17990063

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 24312960

約数和(自身を除く): 6322897

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 401, 493, 1547, 2639, 2807, 3451, 5213, 6409, 6817, 11629, 36491, 44863, 47719, 81403, 88621, 151177, 197693, 620347, 1058239, 1383851, 2570009, 17990063]

約数ペア:

[(1, 17990063), (7, 2570009), (13, 1383851), (17, 1058239), (29, 620347), (91, 197693), (119, 151177), (203, 88621), (221, 81403), (377, 47719), (401, 44863), (493, 36491), (1547, 11629), (2639, 6817), (2807, 6409), (3451, 5213)]