201752145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640483}}^1$

素因数の和:640501

約数の個数: 24

約数和(自身を含む): 399662016

約数和(自身を除く): 197909871

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640483, 1921449, 3202415, 4483381, 5764347, 9607245, 13450143, 22416905, 28821735, 40350429, 67250715, 201752145]

約数ペア:

[(1, 201752145), (3, 67250715), (5, 40350429), (7, 28821735), (9, 22416905), (15, 13450143), (21, 9607245), (35, 5764347), (45, 4483381), (63, 3202415), (105, 1921449), (315, 640483)]