201612285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640039}}^1$

素因数の和:640057

約数の個数: 24

約数和(自身を含む): 399384960

約数和(自身を除く): 197772675

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640039, 1920117, 3200195, 4480273, 5760351, 9600585, 13440819, 22401365, 28801755, 40322457, 67204095, 201612285]

約数ペア:

[(1, 201612285), (3, 67204095), (5, 40322457), (7, 28801755), (9, 22401365), (15, 13440819), (21, 9600585), (35, 5760351), (45, 4480273), (63, 3200195), (105, 1920117), (315, 640039)]