140988405579

素因数分解:

$3^1\times 7^1\times {\mathrm{358429}}^1\times {\mathrm{18731}}^1$

素因数の和:377170

約数の個数: 16

約数和(自身を含む): 214851544320

約数和(自身を除く): 73863138741

約数列:

[1, 3, 7, 21, 18731, 56193, 131117, 358429, 393351, 1075287, 2509003, 7527009, 6713733599, 20141200797, 46996135193, 140988405579]

約数ペア:

[(1, 140988405579), (3, 46996135193), (7, 20141200797), (21, 6713733599), (18731, 7527009), (56193, 2509003), (131117, 1075287), (358429, 393351)]