8128755

素因数分解:

$3^4\times 5^1\times {\mathrm{20071}}^1$

素因数の和:20088

約数の個数: 20

約数和(自身を含む): 14572272

約数和(自身を除く): 6443517

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20071, 60213, 100355, 180639, 301065, 541917, 903195, 1625751, 2709585, 8128755]

約数ペア:

[(1, 8128755), (3, 2709585), (5, 1625751), (9, 903195), (15, 541917), (27, 301065), (45, 180639), (81, 100355), (135, 60213), (405, 20071)]