4995999

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1716

約数の個数: 20

約数和(自身を含む): 7669464

約数和(自身を除く): 2673465

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 1667, 2997, 5001, 15003, 45009, 61679, 135027, 185037, 555111, 1665333, 4995999]

約数ペア:

[(1, 4995999), (3, 1665333), (9, 555111), (27, 185037), (37, 135027), (81, 61679), (111, 45009), (333, 15003), (999, 5001), (1667, 2997)]