123420781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 139766400

約数和(自身を除く): 16345619

約数列:

[1, 11, 29, 319, 421, 919, 4631, 10109, 12209, 26651, 134299, 293161, 386899, 4255889, 11220071, 123420781]

約数ペア:

[(1, 123420781), (11, 11220071), (29, 4255889), (319, 386899), (421, 293161), (919, 134299), (4631, 26651), (10109, 12209)]