55991217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{3907}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 79348032

約数和(自身を除く): 23356815

約数列:

[1, 3, 17, 51, 281, 843, 3907, 4777, 11721, 14331, 66419, 199257, 1097867, 3293601, 18663739, 55991217]

約数ペア:

[(1, 55991217), (3, 18663739), (17, 3293601), (51, 1097867), (281, 199257), (843, 66419), (3907, 14331), (4777, 11721)]