166855857

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{256307}}^1$

素因数の和:256348

約数の個数: 16

約数和(自身を含む): 262459392

約数和(自身を除く): 95603535

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 256307, 768921, 1794149, 5382447, 7945517, 23836551, 55618619, 166855857]

約数ペア:

[(1, 166855857), (3, 55618619), (7, 23836551), (21, 7945517), (31, 5382447), (93, 1794149), (217, 768921), (651, 256307)]