1620199399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1047317}}^1$

素因数の和:1047354

約数の個数: 16

約数和(自身を含む): 2111393088

約数和(自身を除く): 491193689

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1047317, 7331219, 13615121, 17804389, 95305847, 124630723, 231457057, 1620199399]

約数ペア:

[(1, 1620199399), (7, 231457057), (13, 124630723), (17, 95305847), (91, 17804389), (119, 13615121), (221, 7331219), (1547, 1047317)]