2678985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 4772040

約数和(自身を除く): 2093055

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1609, 1665, 4827, 8045, 14481, 24135, 59533, 72405, 178599, 297665, 535797, 892995, 2678985]

約数ペア:

[(1, 2678985), (3, 892995), (5, 535797), (9, 297665), (15, 178599), (37, 72405), (45, 59533), (111, 24135), (185, 14481), (333, 8045), (555, 4827), (1609, 1665)]