8894205

素因数分解:

$3^4\times 5^1\times {\mathrm{21961}}^1$

素因数の和:21978

約数の個数: 20

約数和(自身を含む): 15944412

約数和(自身を除く): 7050207

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 21961, 65883, 109805, 197649, 329415, 592947, 988245, 1778841, 2964735, 8894205]

約数ペア:

[(1, 8894205), (3, 2964735), (5, 1778841), (9, 988245), (15, 592947), (27, 329415), (45, 197649), (81, 109805), (135, 65883), (405, 21961)]