156631221

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 229573656

約数和(自身を除く): 72942435

約数列:

[1, 3, 9, 113, 233, 339, 661, 699, 1017, 1983, 2097, 5949, 26329, 74693, 78987, 154013, 224079, 236961, 462039, 672237, 1386117, 17403469, 52210407, 156631221]

約数ペア:

[(1, 156631221), (3, 52210407), (9, 17403469), (113, 1386117), (233, 672237), (339, 462039), (661, 236961), (699, 224079), (1017, 154013), (1983, 78987), (2097, 74693), (5949, 26329)]