257754009

素因数分解:

$3^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1\times {\mathrm{1213}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 346679552

約数和(自身を除く): 88925543

約数列:

[1, 3, 193, 367, 579, 1101, 1213, 3639, 70831, 212493, 234109, 445171, 702327, 1335513, 85918003, 257754009]

約数ペア:

[(1, 257754009), (3, 85918003), (193, 1335513), (367, 702327), (579, 445171), (1101, 234109), (1213, 212493), (3639, 70831)]