266778027

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{417493}}^1$

素因数の和:417570

約数の個数: 12

約数和(自身を含む): 390774384

約数和(自身を除く): 123996357

約数列:

[1, 3, 9, 71, 213, 639, 417493, 1252479, 3757437, 29642003, 88926009, 266778027]

約数ペア:

[(1, 266778027), (3, 88926009), (9, 29642003), (71, 3757437), (213, 1252479), (639, 417493)]