20042397

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1484

約数の個数: 28

約数和(自身を含む): 31653280

約数和(自身を除く): 11610883

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1447, 1539, 4341, 4617, 13023, 13851, 27493, 39069, 82479, 117207, 247437, 351621, 742311, 1054863, 2226933, 6680799, 20042397]

約数ペア:

[(1, 20042397), (3, 6680799), (9, 2226933), (19, 1054863), (27, 742311), (57, 351621), (81, 247437), (171, 117207), (243, 82479), (513, 39069), (729, 27493), (1447, 13851), (1539, 13023), (4341, 4617)]