128567277

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{280103}}^1$

素因数の和:280129

約数の個数: 16

約数和(自身を含む): 201674880

約数和(自身を除く): 73107603

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 280103, 840309, 2520927, 4761751, 7562781, 14285253, 42855759, 128567277]

約数ペア:

[(1, 128567277), (3, 42855759), (9, 14285253), (17, 7562781), (27, 4761751), (51, 2520927), (153, 840309), (459, 280103)]