78909903

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{171917}}^1$

素因数の和:171943

約数の個数: 16

約数和(自身を含む): 123780960

約数和(自身を除く): 44871057

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 171917, 515751, 1547253, 2922589, 4641759, 8767767, 26303301, 78909903]

約数ペア:

[(1, 78909903), (3, 26303301), (9, 8767767), (17, 4641759), (27, 2922589), (51, 1547253), (153, 515751), (459, 171917)]