21799287

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1794

約数の個数: 28

約数和(自身を含む): 34626240

約数和(自身を除く): 12826953

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1759, 4131, 5277, 12393, 15831, 29903, 47493, 89709, 142479, 269127, 427437, 807381, 1282311, 2422143, 7266429, 21799287]

約数ペア:

[(1, 21799287), (3, 7266429), (9, 2422143), (17, 1282311), (27, 807381), (51, 427437), (81, 269127), (153, 142479), (243, 89709), (459, 47493), (729, 29903), (1377, 15831), (1759, 12393), (4131, 5277)]