8000721

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{5591}}^1$

素因数の和:5653

約数の個数: 16

約数和(自身を含む): 12078720

約数和(自身を除く): 4077999

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 5591, 16773, 50319, 150957, 296323, 888969, 2666907, 8000721]

約数ペア:

[(1, 8000721), (3, 2666907), (9, 888969), (27, 296323), (53, 150957), (159, 50319), (477, 16773), (1431, 5591)]