68688191

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{3359}}^1$

素因数の和:3407

約数の個数: 18

約数和(自身を含む): 81779040

約数和(自身を除く): 13090849

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 3359, 20449, 36949, 43667, 406439, 480337, 567671, 5283707, 6244381, 68688191]

約数ペア:

[(1, 68688191), (11, 6244381), (13, 5283707), (121, 567671), (143, 480337), (169, 406439), (1573, 43667), (1859, 36949), (3359, 20449)]