123953221

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{19697}}^1$

素因数の和:19764

約数の個数: 16

約数和(自身を含む): 151280640

約数和(自身を除く): 27327419

約数列:

[1, 7, 29, 31, 203, 217, 899, 6293, 19697, 137879, 571213, 610607, 3998491, 4274249, 17707603, 123953221]

約数ペア:

[(1, 123953221), (7, 17707603), (29, 4274249), (31, 3998491), (203, 610607), (217, 571213), (899, 137879), (6293, 19697)]