131031873

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{11491}}^1$

素因数の和:11685

約数の個数: 24

約数和(自身を含む): 217520576

約数和(自身を除く): 86488703

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 11491, 34473, 80437, 103419, 241311, 723933, 2079871, 6239613, 14559097, 18718839, 43677291, 131031873]

約数ペア:

[(1, 131031873), (3, 43677291), (7, 18718839), (9, 14559097), (21, 6239613), (63, 2079871), (181, 723933), (543, 241311), (1267, 103419), (1629, 80437), (3801, 34473), (11403, 11491)]