421800911

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 520826880

約数和(自身を除く): 99025969

約数列:

[1, 7, 29, 31, 97, 203, 217, 679, 691, 899, 2813, 3007, 4837, 6293, 19691, 20039, 21049, 21421, 67027, 87203, 140273, 149947, 469189, 610421, 621209, 1943783, 2077837, 4348463, 13606481, 14544859, 60257273, 421800911]

約数ペア:

[(1, 421800911), (7, 60257273), (29, 14544859), (31, 13606481), (97, 4348463), (203, 2077837), (217, 1943783), (679, 621209), (691, 610421), (899, 469189), (2813, 149947), (3007, 140273), (4837, 87203), (6293, 67027), (19691, 21421), (20039, 21049)]