28319301

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1442

約数の個数: 20

約数和(自身を含む): 42477292

約数和(自身を除く): 14157991

約数列:

[1, 3, 9, 27, 81, 313, 939, 1117, 2817, 3351, 8451, 10053, 25353, 30159, 90477, 349621, 1048863, 3146589, 9439767, 28319301]

約数ペア:

[(1, 28319301), (3, 9439767), (9, 3146589), (27, 1048863), (81, 349621), (313, 90477), (939, 30159), (1117, 25353), (2817, 10053), (3351, 8451)]