31279131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3221}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 49257936

約数和(自身を除く): 17978805

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3221, 3237, 9663, 9711, 28989, 41873, 125619, 267343, 376857, 802029, 2406087, 3475459, 10426377, 31279131]

約数ペア:

[(1, 31279131), (3, 10426377), (9, 3475459), (13, 2406087), (39, 802029), (83, 376857), (117, 267343), (249, 125619), (747, 41873), (1079, 28989), (3221, 9711), (3237, 9663)]