8643105

素因数分解:

$3^4\times 5^1\times {\mathrm{21341}}^1$

素因数の和:21358

約数の個数: 20

約数和(自身を含む): 15494292

約数和(自身を除く): 6851187

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 21341, 64023, 106705, 192069, 320115, 576207, 960345, 1728621, 2881035, 8643105]

約数ペア:

[(1, 8643105), (3, 2881035), (5, 1728621), (9, 960345), (15, 576207), (27, 320115), (45, 192069), (81, 106705), (135, 64023), (405, 21341)]