426519081

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{222493}}^1$

素因数の和:222573

約数の個数: 16

約数和(自身を含む): 640782720

約数和(自身を除く): 214263639

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 222493, 667479, 2002437, 6007311, 15797003, 47391009, 142173027, 426519081]

約数ペア:

[(1, 426519081), (3, 142173027), (9, 47391009), (27, 15797003), (71, 6007311), (213, 2002437), (639, 667479), (1917, 222493)]