66780333

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{4013}}^1$

素因数の和:4105

約数の個数: 18

約数和(自身を含む): 98780526

約数和(自身を除く): 32000193

約数列:

[1, 3, 9, 43, 129, 387, 1849, 4013, 5547, 12039, 16641, 36117, 172559, 517677, 1553031, 7420037, 22260111, 66780333]

約数ペア:

[(1, 66780333), (3, 22260111), (9, 7420037), (43, 1553031), (129, 517677), (387, 172559), (1849, 36117), (4013, 16641), (5547, 12039)]