78839217

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{171763}}^1$

素因数の和:171789

約数の個数: 16

約数和(自身を含む): 123670080

約数和(自身を除く): 44830863

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 171763, 515289, 1545867, 2919971, 4637601, 8759913, 26279739, 78839217]

約数ペア:

[(1, 78839217), (3, 26279739), (9, 8759913), (17, 4637601), (27, 2919971), (51, 1545867), (153, 515289), (459, 171763)]