20097927

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7727}}^1$

素因数の和:7767

約数の個数: 18

約数和(自身を含む): 30842448

約数和(自身を除く): 10744521

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7727, 23181, 69543, 131359, 394077, 1182231, 2233103, 6699309, 20097927]

約数ペア:

[(1, 20097927), (3, 6699309), (9, 2233103), (17, 1182231), (51, 394077), (153, 131359), (289, 69543), (867, 23181), (2601, 7727)]