7785639

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:636

約数の個数: 20

約数和(自身を含む): 11706024

約数和(自身を除く): 3920385

約数列:

[1, 3, 9, 27, 81, 277, 347, 831, 1041, 2493, 3123, 7479, 9369, 22437, 28107, 96119, 288357, 865071, 2595213, 7785639]

約数ペア:

[(1, 7785639), (3, 2595213), (9, 865071), (27, 288357), (81, 96119), (277, 28107), (347, 22437), (831, 9369), (1041, 7479), (2493, 3123)]