128879721

素因数分解:

$3^3\times {\mathrm{1433}}^1\times {\mathrm{3331}}^1$

素因数の和:4773

約数の個数: 16

約数和(自身を含む): 191123520

約数和(自身を除く): 62243799

約数列:

[1, 3, 9, 27, 1433, 3331, 4299, 9993, 12897, 29979, 38691, 89937, 4773323, 14319969, 42959907, 128879721]

約数ペア:

[(1, 128879721), (3, 42959907), (9, 14319969), (27, 4773323), (1433, 89937), (3331, 38691), (4299, 29979), (9993, 12897)]