153885897

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21893}}^1$

素因数の和:21981

約数の個数: 24

約数和(自身を含む): 245913408

約数和(自身を除く): 92027511

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 21893, 65679, 197037, 240823, 722469, 1554403, 2167407, 4663209, 13989627, 17098433, 51295299, 153885897]

約数ペア:

[(1, 153885897), (3, 51295299), (9, 17098433), (11, 13989627), (33, 4663209), (71, 2167407), (99, 1554403), (213, 722469), (639, 240823), (781, 197037), (2343, 65679), (7029, 21893)]