291268989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{4451}}^1$

素因数の和:5129

約数の個数: 24

約数和(自身を含む): 459766944

約数和(自身を除く): 168497955

約数列:

[1, 3, 9, 11, 33, 99, 661, 1983, 4451, 5949, 7271, 13353, 21813, 40059, 48961, 65439, 146883, 440649, 2942111, 8826333, 26478999, 32363221, 97089663, 291268989]

約数ペア:

[(1, 291268989), (3, 97089663), (9, 32363221), (11, 26478999), (33, 8826333), (99, 2942111), (661, 440649), (1983, 146883), (4451, 65439), (5949, 48961), (7271, 40059), (13353, 21813)]