2758059

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:279

約数の個数: 18

約数和(自身を含む): 4226820

約数和(自身を除く): 1468761

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 1143, 2413, 7239, 16129, 21717, 48387, 145161, 306451, 919353, 2758059]

約数ペア:

[(1, 2758059), (3, 919353), (9, 306451), (19, 145161), (57, 48387), (127, 21717), (171, 16129), (381, 7239), (1143, 2413)]