287091297

素因数分解:

$3^4\times {\mathrm{1583}}^1\times {\mathrm{2239}}^1$

素因数の和:3834

約数の個数: 20

約数和(自身を含む): 429327360

約数和(自身を除く): 142236063

約数列:

[1, 3, 9, 27, 81, 1583, 2239, 4749, 6717, 14247, 20151, 42741, 60453, 128223, 181359, 3544337, 10633011, 31899033, 95697099, 287091297]

約数ペア:

[(1, 287091297), (3, 95697099), (9, 31899033), (27, 10633011), (81, 3544337), (1583, 181359), (2239, 128223), (4749, 60453), (6717, 42741), (14247, 20151)]