12664755

素因数分解:

$3^4\times 5^1\times {\mathrm{31271}}^1$

素因数の和:31288

約数の個数: 20

約数和(自身を含む): 22703472

約数和(自身を除く): 10038717

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31271, 93813, 156355, 281439, 469065, 844317, 1407195, 2532951, 4221585, 12664755]

約数ペア:

[(1, 12664755), (3, 4221585), (5, 2532951), (9, 1407195), (15, 844317), (27, 469065), (45, 281439), (81, 156355), (135, 93813), (405, 31271)]