8040465

素因数分解:

$3^4\times 5^1\times {\mathrm{19853}}^1$

素因数の和:19870

約数の個数: 20

約数和(自身を含む): 14414004

約数和(自身を除く): 6373539

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19853, 59559, 99265, 178677, 297795, 536031, 893385, 1608093, 2680155, 8040465]

約数ペア:

[(1, 8040465), (3, 2680155), (5, 1608093), (9, 893385), (15, 536031), (27, 297795), (45, 178677), (81, 99265), (135, 59559), (405, 19853)]