66738411

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{7559}}^1$

素因数の和:7680

約数の個数: 20

約数和(自身を含む): 100623600

約数和(自身を除く): 33885189

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 7559, 8829, 22677, 68031, 204093, 612279, 823931, 2471793, 7415379, 22246137, 66738411]

約数ペア:

[(1, 66738411), (3, 22246137), (9, 7415379), (27, 2471793), (81, 823931), (109, 612279), (327, 204093), (981, 68031), (2943, 22677), (7559, 8829)]