7771221

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{2593}}^1$

素因数の和:2642

約数の個数: 20

約数和(自身を含む): 11927212

約数和(自身を除く): 4155991

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2593, 2997, 7779, 23337, 70011, 95941, 210033, 287823, 863469, 2590407, 7771221]

約数ペア:

[(1, 7771221), (3, 2590407), (9, 863469), (27, 287823), (37, 210033), (81, 95941), (111, 70011), (333, 23337), (999, 7779), (2593, 2997)]