257706087

素因数分解:

$3^1\times {\mathrm{53}}^3\times {\mathrm{577}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 350822880

約数和(自身を除く): 93116793

約数列:

[1, 3, 53, 159, 577, 1731, 2809, 8427, 30581, 91743, 148877, 446631, 1620793, 4862379, 85902029, 257706087]

約数ペア:

[(1, 257706087), (3, 85902029), (53, 4862379), (159, 1620793), (577, 446631), (1731, 148877), (2809, 91743), (8427, 30581)]