256500243

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{256757}}^1$

素因数の和:256803

約数の個数: 16

約数和(自身を含む): 390272160

約数和(自身を除く): 133771917

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 256757, 770271, 2310813, 6932439, 9500009, 28500027, 85500081, 256500243]

約数ペア:

[(1, 256500243), (3, 85500081), (9, 28500027), (27, 9500009), (37, 6932439), (111, 2310813), (333, 770271), (999, 256757)]