208524351

素因数分解:

$3^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{2213}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 324076464

約数和(自身を除く): 115552113

約数列:

[1, 3, 7, 21, 49, 147, 641, 1923, 2213, 4487, 6639, 13461, 15491, 31409, 46473, 94227, 108437, 325311, 1418533, 4255599, 9929731, 29789193, 69508117, 208524351]

約数ペア:

[(1, 208524351), (3, 69508117), (7, 29789193), (21, 9929731), (49, 4255599), (147, 1418533), (641, 325311), (1923, 108437), (2213, 94227), (4487, 46473), (6639, 31409), (13461, 15491)]