13221145

素因数分解:

$5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2087}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 18240768

約数和(自身を除く): 5019623

約数列:

[1, 5, 7, 35, 181, 905, 1267, 2087, 6335, 10435, 14609, 73045, 377747, 1888735, 2644229, 13221145]

約数ペア:

[(1, 13221145), (5, 2644229), (7, 1888735), (35, 377747), (181, 73045), (905, 14609), (1267, 10435), (2087, 6335)]