31129119

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11491}}^1$

素因数の和:11547

約数の個数: 24

約数和(自身を含む): 52587392

約数和(自身を除く): 21458273

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 11491, 34473, 80437, 103419, 241311, 494113, 723933, 1482339, 3458791, 4447017, 10376373, 31129119]

約数ペア:

[(1, 31129119), (3, 10376373), (7, 4447017), (9, 3458791), (21, 1482339), (43, 723933), (63, 494113), (129, 241311), (301, 103419), (387, 80437), (903, 34473), (2709, 11491)]