81691617

素因数分解:

$3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{5903}}^1$

素因数の和:6572

約数の個数: 16

約数和(自身を含む): 124692480

約数和(自身を除く): 43000863

約数列:

[1, 3, 7, 21, 659, 1977, 4613, 5903, 13839, 17709, 41321, 123963, 3890077, 11670231, 27230539, 81691617]

約数ペア:

[(1, 81691617), (3, 27230539), (7, 11670231), (21, 3890077), (659, 123963), (1977, 41321), (4613, 17709), (5903, 13839)]