81751905

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{9413}}^1$

素因数の和:9617

約数の個数: 24

約数和(自身を含む): 142452648

約数和(自身を除く): 60700743

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2895, 8685, 9413, 28239, 47065, 84717, 141195, 423585, 1816709, 5450127, 9083545, 16350381, 27250635, 81751905]

約数ペア:

[(1, 81751905), (3, 27250635), (5, 16350381), (9, 9083545), (15, 5450127), (45, 1816709), (193, 423585), (579, 141195), (965, 84717), (1737, 47065), (2895, 28239), (8685, 9413)]