220160511

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{5197}}^1$

素因数の和:5732

約数の個数: 20

約数和(自身を含む): 329573992

約数和(自身を除く): 109413481

約数列:

[1, 3, 9, 27, 81, 523, 1569, 4707, 5197, 14121, 15591, 42363, 46773, 140319, 420957, 2718031, 8154093, 24462279, 73386837, 220160511]

約数ペア:

[(1, 220160511), (3, 73386837), (9, 24462279), (27, 8154093), (81, 2718031), (523, 420957), (1569, 140319), (4707, 46773), (5197, 42363), (14121, 15591)]