204965019

素因数分解:

$3^3\times 7^1\times {\mathrm{1084471}}^1$

素因数の和:1084487

約数の個数: 16

約数和(自身を含む): 347031040

約数和(自身を除く): 142066021

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1084471, 3253413, 7591297, 9760239, 22773891, 29280717, 68321673, 204965019]

約数ペア:

[(1, 204965019), (3, 68321673), (7, 29280717), (9, 22773891), (21, 9760239), (27, 7591297), (63, 3253413), (189, 1084471)]