6890205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 12699648

約数和(自身を除く): 5809443

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 311, 633, 933, 1055, 1477, 1555, 2177, 3165, 4431, 4665, 6531, 7385, 10885, 22155, 32655, 65621, 196863, 328105, 459347, 984315, 1378041, 2296735, 6890205]

約数ペア:

[(1, 6890205), (3, 2296735), (5, 1378041), (7, 984315), (15, 459347), (21, 328105), (35, 196863), (105, 65621), (211, 32655), (311, 22155), (633, 10885), (933, 7385), (1055, 6531), (1477, 4665), (1555, 4431), (2177, 3165)]