18722187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{673}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 29650608

約数和(自身を除く): 10928421

約数列:

[1, 3, 9, 11, 33, 99, 281, 673, 843, 2019, 2529, 3091, 6057, 7403, 9273, 22209, 27819, 66627, 189113, 567339, 1702017, 2080243, 6240729, 18722187]

約数ペア:

[(1, 18722187), (3, 6240729), (9, 2080243), (11, 1702017), (33, 567339), (99, 189113), (281, 66627), (673, 27819), (843, 22209), (2019, 9273), (2529, 7403), (3091, 6057)]