28256391

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{10789}}^1$

素因数の和:10895

約数の個数: 16

約数和(自身を含む): 42296800

約数和(自身を除く): 14040409

約数列:

[1, 3, 9, 27, 97, 291, 873, 2619, 10789, 32367, 97101, 291303, 1046533, 3139599, 9418797, 28256391]

約数ペア:

[(1, 28256391), (3, 9418797), (9, 3139599), (27, 1046533), (97, 291303), (291, 97101), (873, 32367), (2619, 10789)]