30856819

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{2179}}^1$

素因数の和:2227

約数の個数: 18

約数和(自身を含む): 38147820

約数和(自身を除く): 7291001

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 2179, 14161, 15253, 37043, 106771, 259301, 629731, 1815107, 4408117, 30856819]

約数ペア:

[(1, 30856819), (7, 4408117), (17, 1815107), (49, 629731), (119, 259301), (289, 106771), (833, 37043), (2023, 15253), (2179, 14161)]