28843821

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{45139}}^1$

素因数の和:45216

約数の個数: 12

約数和(自身を含む): 42251040

約数和(自身を除く): 13407219

約数列:

[1, 3, 9, 71, 213, 639, 45139, 135417, 406251, 3204869, 9614607, 28843821]

約数ペア:

[(1, 28843821), (3, 9614607), (9, 3204869), (71, 406251), (213, 135417), (639, 45139)]