55657881

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{121259}}^1$

素因数の和:121285

約数の個数: 16

約数和(自身を含む): 87307200

約数和(自身を除く): 31649319

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 121259, 363777, 1091331, 2061403, 3273993, 6184209, 18552627, 55657881]

約数ペア:

[(1, 55657881), (3, 18552627), (9, 6184209), (17, 3273993), (27, 2061403), (51, 1091331), (153, 363777), (459, 121259)]