31102281

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1289}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 51517440

約数和(自身を除く): 20415159

約数列:

[1, 3, 7, 9, 21, 63, 383, 1149, 1289, 2681, 3447, 3867, 8043, 9023, 11601, 24129, 27069, 81207, 493687, 1481061, 3455809, 4443183, 10367427, 31102281]

約数ペア:

[(1, 31102281), (3, 10367427), (7, 4443183), (9, 3455809), (21, 1481061), (63, 493687), (383, 81207), (1149, 27069), (1289, 24129), (2681, 11601), (3447, 9023), (3867, 8043)]