31282139

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 38955168

約数和(自身を除く): 7673029

約数列:

[1, 7, 23, 41, 49, 161, 287, 677, 943, 1127, 2009, 4739, 6601, 15571, 27757, 33173, 46207, 108997, 194299, 638411, 762979, 1360093, 4468877, 31282139]

約数ペア:

[(1, 31282139), (7, 4468877), (23, 1360093), (41, 762979), (49, 638411), (161, 194299), (287, 108997), (677, 46207), (943, 33173), (1127, 27757), (2009, 15571), (4739, 6601)]