70785009

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20323}}^1$

素因数の和:20378

約数の個数: 20

約数和(自身を含む): 108204976

約数和(自身を除く): 37419967

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20323, 60969, 182907, 548721, 873889, 1646163, 2621667, 7865001, 23595003, 70785009]

約数ペア:

[(1, 70785009), (3, 23595003), (9, 7865001), (27, 2621667), (43, 1646163), (81, 873889), (129, 548721), (387, 182907), (1161, 60969), (3483, 20323)]