81487109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 90345024

約数和(自身を除く): 8857915

約数列:

[1, 11, 131, 193, 293, 1441, 2123, 3223, 25283, 38383, 56549, 278113, 422213, 622039, 7407919, 81487109]

約数ペア:

[(1, 81487109), (11, 7407919), (131, 622039), (193, 422213), (293, 278113), (1441, 56549), (2123, 38383), (3223, 25283)]