1780299

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:752

約数の個数: 20

約数和(自身を含む): 2749120

約数和(自身を除く): 968821

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 709, 837, 2127, 2511, 6381, 19143, 21979, 57429, 65937, 197811, 593433, 1780299]

約数ペア:

[(1, 1780299), (3, 593433), (9, 197811), (27, 65937), (31, 57429), (81, 21979), (93, 19143), (279, 6381), (709, 2511), (837, 2127)]