2912117913

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{678341}}^1$

素因数の和:678406

約数の個数: 20

約数和(自身を含む): 4432286628

約数和(自身を除く): 1520168715

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 678341, 2035023, 6105069, 18315207, 35952073, 54945621, 107856219, 323568657, 970705971, 2912117913]

約数ペア:

[(1, 2912117913), (3, 970705971), (9, 323568657), (27, 107856219), (53, 54945621), (81, 35952073), (159, 18315207), (477, 6105069), (1431, 2035023), (4293, 678341)]