28836891

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1789}}^1$

素因数の和:2000

約数の個数: 20

約数和(自身を含む): 43318000

約数和(自身を除く): 14481109

約数列:

[1, 3, 9, 27, 81, 199, 597, 1789, 1791, 5367, 5373, 16101, 16119, 48303, 144909, 356011, 1068033, 3204099, 9612297, 28836891]

約数ペア:

[(1, 28836891), (3, 9612297), (9, 3204099), (27, 1068033), (81, 356011), (199, 144909), (597, 48303), (1789, 16119), (1791, 16101), (5367, 5373)]