201729465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640411}}^1$

素因数の和:640429

約数の個数: 24

約数和(自身を含む): 399617088

約数和(自身を除く): 197887623

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640411, 1921233, 3202055, 4482877, 5763699, 9606165, 13448631, 22414385, 28818495, 40345893, 67243155, 201729465]

約数ペア:

[(1, 201729465), (3, 67243155), (5, 40345893), (7, 28818495), (9, 22414385), (15, 13448631), (21, 9606165), (35, 5763699), (45, 4482877), (63, 3202055), (105, 1921233), (315, 640411)]