311990877

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{286493}}^1$

素因数の和:286521

約数の個数: 18

約数和(自身を含む): 495348126

約数和(自身を除く): 183357249

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 286493, 859479, 2578437, 3151423, 9454269, 28362807, 34665653, 103996959, 311990877]

約数ペア:

[(1, 311990877), (3, 103996959), (9, 34665653), (11, 28362807), (33, 9454269), (99, 3151423), (121, 2578437), (363, 859479), (1089, 286493)]