202971195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{644353}}^1$

素因数の和:644371

約数の個数: 24

約数和(自身を含む): 402076896

約数和(自身を除く): 199105701

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 644353, 1933059, 3221765, 4510471, 5799177, 9665295, 13531413, 22552355, 28995885, 40594239, 67657065, 202971195]

約数ペア:

[(1, 202971195), (3, 67657065), (5, 40594239), (7, 28995885), (9, 22552355), (15, 13531413), (21, 9665295), (35, 5799177), (45, 4510471), (63, 3221765), (105, 1933059), (315, 644353)]