17980851

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3739}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 27526400

約数和(自身を除く): 9545549

約数列:

[1, 3, 7, 21, 229, 687, 1603, 3739, 4809, 11217, 26173, 78519, 856231, 2568693, 5993617, 17980851]

約数ペア:

[(1, 17980851), (3, 5993617), (7, 2568693), (21, 856231), (229, 78519), (687, 26173), (1603, 11217), (3739, 4809)]