39981357

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:951

約数の個数: 40

約数和(自身を含む): 65889824

約数和(自身を除く): 25908467

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 351, 387, 559, 883, 1053, 1161, 1677, 2649, 3483, 5031, 7947, 11479, 15093, 23841, 34437, 37969, 45279, 71523, 103311, 113907, 309933, 341721, 493597, 929799, 1025163, 1480791, 3075489, 4442373, 13327119, 39981357]

約数ペア:

[(1, 39981357), (3, 13327119), (9, 4442373), (13, 3075489), (27, 1480791), (39, 1025163), (43, 929799), (81, 493597), (117, 341721), (129, 309933), (351, 113907), (387, 103311), (559, 71523), (883, 45279), (1053, 37969), (1161, 34437), (1677, 23841), (2649, 15093), (3483, 11479), (5031, 7947)]