257029394571

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{661}}^1\times {\mathrm{286129}}^1$

素因数の和:286947

約数の個数: 24

約数和(自身を含む): 374290086560

約数和(自身を除く): 117260691989

約数列:

[1, 3, 9, 151, 453, 661, 1359, 1983, 5949, 99811, 286129, 299433, 858387, 898299, 2575161, 43205479, 129616437, 189131269, 388849311, 567393807, 1702181421, 28558821619, 85676464857, 257029394571]

約数ペア:

[(1, 257029394571), (3, 85676464857), (9, 28558821619), (151, 1702181421), (453, 567393807), (661, 388849311), (1359, 189131269), (1983, 129616437), (5949, 43205479), (99811, 2575161), (286129, 898299), (299433, 858387)]