28686627

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44893}}^1$

素因数の和:44970

約数の個数: 12

約数和(自身を含む): 42020784

約数和(自身を除く): 13334157

約数列:

[1, 3, 9, 71, 213, 639, 44893, 134679, 404037, 3187403, 9562209, 28686627]

約数ペア:

[(1, 28686627), (3, 9562209), (9, 3187403), (71, 404037), (213, 134679), (639, 44893)]