28756671

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6911}}^1$

素因数の和:7006

約数の個数: 16

約数和(自身を含む): 40919040

約数和(自身を除く): 12162369

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 6911, 20733, 131309, 393927, 504503, 1513509, 9585557, 28756671]

約数ペア:

[(1, 28756671), (3, 9585557), (19, 1513509), (57, 504503), (73, 393927), (219, 131309), (1387, 20733), (4161, 6911)]