2007788481

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{3142079}}^1$

素因数の和:3142156

約数の個数: 12

約数和(自身を含む): 2940986880

約数和(自身を除く): 933198399

約数列:

[1, 3, 9, 71, 213, 639, 3142079, 9426237, 28278711, 223087609, 669262827, 2007788481]

約数ペア:

[(1, 2007788481), (3, 669262827), (9, 223087609), (71, 28278711), (213, 9426237), (639, 3142079)]