31441995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 59596992

約数和(自身を除く): 28154997

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 757, 923, 1065, 2271, 2769, 3195, 3785, 4615, 6813, 8307, 9841, 11355, 13845, 29523, 34065, 41535, 49205, 53747, 88569, 147615, 161241, 268735, 442845, 483723, 698711, 806205, 2096133, 2418615, 3493555, 6288399, 10480665, 31441995]

約数ペア:

[(1, 31441995), (3, 10480665), (5, 6288399), (9, 3493555), (13, 2418615), (15, 2096133), (39, 806205), (45, 698711), (65, 483723), (71, 442845), (117, 268735), (195, 161241), (213, 147615), (355, 88569), (585, 53747), (639, 49205), (757, 41535), (923, 34065), (1065, 29523), (2271, 13845), (2769, 11355), (3195, 9841), (3785, 8307), (4615, 6813)]