212112405

素因数分解:

$3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4451}}^1$

素因数の和:4818

約数の個数: 32

約数和(自身を含む): 378241920

約数和(自身を除く): 166129515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 353, 1059, 1765, 3177, 4451, 5295, 9531, 13353, 15885, 22255, 40059, 47655, 66765, 120177, 200295, 600885, 1571203, 4713609, 7856015, 14140827, 23568045, 42422481, 70704135, 212112405]

約数ペア:

[(1, 212112405), (3, 70704135), (5, 42422481), (9, 23568045), (15, 14140827), (27, 7856015), (45, 4713609), (135, 1571203), (353, 600885), (1059, 200295), (1765, 120177), (3177, 66765), (4451, 47655), (5295, 40059), (9531, 22255), (13353, 15885)]