68642559

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{6469}}^1$

素因数の和:6612

約数の個数: 20

約数和(自身を含む): 103338840

約数和(自身を除く): 34696281

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 6469, 10611, 19407, 58221, 174663, 523989, 847439, 2542317, 7626951, 22880853, 68642559]

約数ペア:

[(1, 68642559), (3, 22880853), (9, 7626951), (27, 2542317), (81, 847439), (131, 523989), (393, 174663), (1179, 58221), (3537, 19407), (6469, 10611)]