2887275

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 4825584

約数和(自身を除く): 1938309

約数列:

[1, 3, 5, 15, 25, 75, 137, 281, 411, 685, 843, 1405, 2055, 3425, 4215, 7025, 10275, 21075, 38497, 115491, 192485, 577455, 962425, 2887275]

約数ペア:

[(1, 2887275), (3, 962425), (5, 577455), (15, 192485), (25, 115491), (75, 38497), (137, 21075), (281, 10275), (411, 7025), (685, 4215), (843, 3425), (1405, 2055)]