81310145

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{8209}}^1$

素因数の和:8504

約数の個数: 16

約数和(自身を含む): 111918720

約数和(自身を除く): 30608575

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 8209, 9905, 41045, 57463, 287315, 2323147, 11615735, 16262029, 81310145]

約数ペア:

[(1, 81310145), (5, 16262029), (7, 11615735), (35, 2323147), (283, 287315), (1415, 57463), (1981, 41045), (8209, 9905)]