201806721

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{7393}}^1$

素因数の和:7742

約数の個数: 20

約数和(自身を含む): 302399812

約数和(自身を除く): 100593091

約数列:

[1, 3, 9, 27, 81, 337, 1011, 3033, 7393, 9099, 22179, 27297, 66537, 199611, 598833, 2491441, 7474323, 22422969, 67268907, 201806721]

約数ペア:

[(1, 201806721), (3, 67268907), (9, 22422969), (27, 7474323), (81, 2491441), (337, 598833), (1011, 199611), (3033, 66537), (7393, 27297), (9099, 22179)]