20161386459

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1773677}}^1$

素因数の和:1774107

約数の個数: 16

約数和(自身を含む): 29939684640

約数和(自身を除く): 9778298181

約数列:

[1, 3, 9, 27, 421, 1263, 3789, 11367, 1773677, 5321031, 15963093, 47889279, 746718017, 2240154051, 6720462153, 20161386459]

約数ペア:

[(1, 20161386459), (3, 6720462153), (9, 2240154051), (27, 746718017), (421, 47889279), (1263, 15963093), (3789, 5321031), (11367, 1773677)]