31643919

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 50388480

約数和(自身を除く): 18744561

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 971, 1207, 1917, 2913, 3621, 8739, 10863, 16507, 26217, 32589, 49521, 68941, 148563, 206823, 445689, 620469, 1171997, 1861407, 3515991, 10547973, 31643919]

約数ペア:

[(1, 31643919), (3, 10547973), (9, 3515991), (17, 1861407), (27, 1171997), (51, 620469), (71, 445689), (153, 206823), (213, 148563), (459, 68941), (639, 49521), (971, 32589), (1207, 26217), (1917, 16507), (2913, 10863), (3621, 8739)]