1317960021

素因数分解:

$3^1\times 7^1\times {\mathrm{62760001}}^1$

素因数の和:62760011

約数の個数: 8

約数和(自身を含む): 2008320064

約数和(自身を除く): 690360043

約数列:

[1, 3, 7, 21, 62760001, 188280003, 439320007, 1317960021]

約数ペア:

[(1, 1317960021), (3, 439320007), (7, 188280003), (21, 62760001)]