67205145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{640049}}^1$

素因数の和:640064

約数の個数: 16

約数和(自身を含む): 122889600

約数和(自身を除く): 55684455

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 640049, 1920147, 3200245, 4480343, 9600735, 13441029, 22401715, 67205145]

約数ペア:

[(1, 67205145), (3, 22401715), (5, 13441029), (7, 9600735), (15, 4480343), (21, 3200245), (35, 1920147), (105, 640049)]