12818804553

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{6686909}}^1$

素因数の和:6686989

約数の個数: 16

約数和(自身を含む): 19258300800

約数和(自身を除く): 6439496247

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 6686909, 20060727, 60182181, 180546543, 474770539, 1424311617, 4272934851, 12818804553]

約数ペア:

[(1, 12818804553), (3, 4272934851), (9, 1424311617), (27, 474770539), (71, 180546543), (213, 60182181), (639, 20060727), (1917, 6686909)]