28279509

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 38778432

約数和(自身を除く): 10498923

約数列:

[1, 3, 43, 129, 257, 771, 853, 2559, 11051, 33153, 36679, 110037, 219221, 657663, 9426503, 28279509]

約数ペア:

[(1, 28279509), (3, 9426503), (43, 657663), (129, 219221), (257, 110037), (771, 36679), (853, 33153), (2559, 11051)]