289905921

素因数分解:

$3^2\times {\mathrm{313}}^1\times {\mathrm{102913}}^1$

素因数の和:103232

約数の個数: 12

約数和(自身を含む): 420094948

約数和(自身を除く): 130189027

約数列:

[1, 3, 9, 313, 939, 2817, 102913, 308739, 926217, 32211769, 96635307, 289905921]

約数ペア:

[(1, 289905921), (3, 96635307), (9, 32211769), (313, 926217), (939, 308739), (2817, 102913)]