31580145

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 56448000

約数和(自身を除く): 24867855

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 1049, 1115, 2007, 3147, 3345, 5245, 6021, 9441, 10035, 15735, 28323, 30105, 47205, 141615, 233927, 701781, 1169635, 2105343, 3508905, 6316029, 10526715, 31580145]

約数ペア:

[(1, 31580145), (3, 10526715), (5, 6316029), (9, 3508905), (15, 2105343), (27, 1169635), (45, 701781), (135, 233927), (223, 141615), (669, 47205), (1049, 30105), (1115, 28323), (2007, 15735), (3147, 10035), (3345, 9441), (5245, 6021)]