8205705

素因数分解:

$3^4\times 5^1\times {\mathrm{20261}}^1$

素因数の和:20278

約数の個数: 20

約数和(自身を含む): 14710212

約数和(自身を除く): 6504507

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20261, 60783, 101305, 182349, 303915, 547047, 911745, 1641141, 2735235, 8205705]

約数ペア:

[(1, 8205705), (3, 2735235), (5, 1641141), (9, 911745), (15, 547047), (27, 303915), (45, 182349), (81, 101305), (135, 60783), (405, 20261)]