675568509

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21347}}^1$

素因数の和:21505

約数の個数: 32

約数和(自身を含む): 1131273216

約数和(自身を除く): 455704707

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 10549, 21347, 31647, 64041, 149429, 234817, 448287, 704451, 1643719, 2924539, 4931157, 8773617, 20471773, 32169929, 61415319, 96509787, 225189503, 675568509]

約数ペア:

[(1, 675568509), (3, 225189503), (7, 96509787), (11, 61415319), (21, 32169929), (33, 20471773), (77, 8773617), (137, 4931157), (231, 2924539), (411, 1643719), (959, 704451), (1507, 448287), (2877, 234817), (4521, 149429), (10549, 64041), (21347, 31647)]