16561167

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{997}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 25940016

約数和(自身を除く): 9378849

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 997, 2373, 2991, 5537, 6979, 16611, 20937, 48853, 112661, 146559, 337983, 788627, 2365881, 5520389, 16561167]

約数ペア:

[(1, 16561167), (3, 5520389), (7, 2365881), (21, 788627), (49, 337983), (113, 146559), (147, 112661), (339, 48853), (791, 20937), (997, 16611), (2373, 6979), (2991, 5537)]