8079345

素因数分解:

$3^4\times 5^1\times {\mathrm{19949}}^1$

素因数の和:19966

約数の個数: 20

約数和(自身を含む): 14483700

約数和(自身を除く): 6404355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19949, 59847, 99745, 179541, 299235, 538623, 897705, 1615869, 2693115, 8079345]

約数ペア:

[(1, 8079345), (3, 2693115), (5, 1615869), (9, 897705), (15, 538623), (27, 299235), (45, 179541), (81, 99745), (135, 59847), (405, 19949)]