81476759

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{9839}}^1$

素因数の和:9879

約数の個数: 18

約数和(自身を含む): 102641040

約数和(自身を除く): 21164281

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 9839, 68873, 127907, 482111, 895349, 1662791, 6267443, 11639537, 81476759]

約数ペア:

[(1, 81476759), (7, 11639537), (13, 6267443), (49, 1662791), (91, 895349), (169, 482111), (637, 127907), (1183, 68873), (8281, 9839)]