156780423

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{18127}}^1$

素因数の和:18195

約数の個数: 18

約数和(自身を含む): 234014352

約数和(自身を除く): 77233929

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 18127, 54381, 163143, 561937, 1685811, 5057433, 17420047, 52260141, 156780423]

約数ペア:

[(1, 156780423), (3, 52260141), (9, 17420047), (31, 5057433), (93, 1685811), (279, 561937), (961, 163143), (2883, 54381), (8649, 18127)]