78898479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{140639}}^1$

素因数の和:140670

約数の個数: 16

約数和(自身を含む): 121512960

約数和(自身を除く): 42614481

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 140639, 421917, 1547029, 2390863, 4641087, 7172589, 26299493, 78898479]

約数ペア:

[(1, 78898479), (3, 26299493), (11, 7172589), (17, 4641087), (33, 2390863), (51, 1547029), (187, 421917), (561, 140639)]