28088415

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1409}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 48831120

約数和(自身を除く): 20742705

約数列:

[1, 3, 5, 9, 15, 45, 443, 1329, 1409, 2215, 3987, 4227, 6645, 7045, 12681, 19935, 21135, 63405, 624187, 1872561, 3120935, 5617683, 9362805, 28088415]

約数ペア:

[(1, 28088415), (3, 9362805), (5, 5617683), (9, 3120935), (15, 1872561), (45, 624187), (443, 63405), (1329, 21135), (1409, 19935), (2215, 12681), (3987, 7045), (4227, 6645)]