25881615

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1181}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 44991648

約数和(自身を除く): 19110033

約数列:

[1, 3, 5, 9, 15, 45, 487, 1181, 1461, 2435, 3543, 4383, 5905, 7305, 10629, 17715, 21915, 53145, 575147, 1725441, 2875735, 5176323, 8627205, 25881615]

約数ペア:

[(1, 25881615), (3, 8627205), (5, 5176323), (9, 2875735), (15, 1725441), (45, 575147), (487, 53145), (1181, 21915), (1461, 17715), (2435, 10629), (3543, 7305), (4383, 5905)]