277207515891

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{72815213}}^1$

素因数の和:72815272

約数の個数: 20

約数和(自身を含む): 422910762912

約数和(自身を除く): 145703247021

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 72815213, 218445639, 655336917, 1966010751, 3422315011, 5898032253, 10266945033, 30800835099, 92402505297, 277207515891]

約数ペア:

[(1, 277207515891), (3, 92402505297), (9, 30800835099), (27, 10266945033), (47, 5898032253), (81, 3422315011), (141, 1966010751), (423, 655336917), (1269, 218445639), (3807, 72815213)]