2189720961

素因数分解:

$3^2\times {\mathrm{3851}}^1\times {\mathrm{63179}}^1$

素因数の和:67036

約数の個数: 12

約数和(自身を含む): 3163801680

約数和(自身を除く): 974080719

約数列:

[1, 3, 9, 3851, 11553, 34659, 63179, 189537, 568611, 243302329, 729906987, 2189720961]

約数ペア:

[(1, 2189720961), (3, 729906987), (9, 243302329), (3851, 568611), (11553, 189537), (34659, 63179)]