641796891

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{11351}}^1$

素因数の和:11802

約数の個数: 16

約数和(自身を含む): 876192768

約数和(自身を除く): 234395877

約数列:

[1, 3, 47, 141, 401, 1203, 11351, 18847, 34053, 56541, 533497, 1600491, 4551751, 13655253, 213932297, 641796891]

約数ペア:

[(1, 641796891), (3, 213932297), (47, 13655253), (141, 4551751), (401, 1600491), (1203, 533497), (11351, 56541), (18847, 34053)]