2808189

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:986

約数の個数: 20

約数和(自身を含む): 4312924

約数和(自身を除く): 1504735

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 937, 999, 2811, 2997, 8433, 25299, 34669, 75897, 104007, 312021, 936063, 2808189]

約数ペア:

[(1, 2808189), (3, 936063), (9, 312021), (27, 104007), (37, 75897), (81, 34669), (111, 25299), (333, 8433), (937, 2997), (999, 2811)]