25121331

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 37477440

約数和(自身を除く): 12356109

約数列:

[1, 3, 9, 43, 129, 139, 387, 417, 467, 1251, 1401, 4203, 5977, 17931, 20081, 53793, 60243, 64913, 180729, 194739, 584217, 2791259, 8373777, 25121331]

約数ペア:

[(1, 25121331), (3, 8373777), (9, 2791259), (43, 584217), (129, 194739), (139, 180729), (387, 64913), (417, 60243), (467, 53793), (1251, 20081), (1401, 17931), (4203, 5977)]