31861125

素因数分解:

$3^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 58146816

約数和(自身を除く): 26285691

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 127, 223, 225, 375, 381, 635, 669, 1115, 1125, 1143, 1905, 2007, 3175, 3345, 5575, 5715, 9525, 10035, 15875, 16725, 27875, 28321, 28575, 47625, 50175, 83625, 84963, 141605, 142875, 250875, 254889, 424815, 708025, 1274445, 2124075, 3540125, 6372225, 10620375, 31861125]

約数ペア:

[(1, 31861125), (3, 10620375), (5, 6372225), (9, 3540125), (15, 2124075), (25, 1274445), (45, 708025), (75, 424815), (125, 254889), (127, 250875), (223, 142875), (225, 141605), (375, 84963), (381, 83625), (635, 50175), (669, 47625), (1115, 28575), (1125, 28321), (1143, 27875), (1905, 16725), (2007, 15875), (3175, 10035), (3345, 9525), (5575, 5715)]