28480245

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13859}}^1$

素因数の和:14004

約数の個数: 16

約数和(自身を含む): 45904320

約数和(自身を除く): 17424075

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 13859, 41577, 69295, 207885, 1898683, 5696049, 9493415, 28480245]

約数ペア:

[(1, 28480245), (3, 9493415), (5, 5696049), (15, 1898683), (137, 207885), (411, 69295), (685, 41577), (2055, 13859)]