28521585

素因数分解:

$3^3\times 5^1\times {\mathrm{211271}}^1$

素因数の和:211285

約数の個数: 16

約数和(自身を含む): 50705280

約数和(自身を除く): 22183695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211271, 633813, 1056355, 1901439, 3169065, 5704317, 9507195, 28521585]

約数ペア:

[(1, 28521585), (3, 9507195), (5, 5704317), (9, 3169065), (15, 1901439), (27, 1056355), (45, 633813), (135, 211271)]