1563057

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:874

約数の個数: 20

約数和(自身を含む): 2439360

約数和(自身を除く): 876303

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 839, 1863, 2517, 7551, 19297, 22653, 57891, 67959, 173673, 521019, 1563057]

約数ペア:

[(1, 1563057), (3, 521019), (9, 173673), (23, 67959), (27, 57891), (69, 22653), (81, 19297), (207, 7551), (621, 2517), (839, 1863)]