1289431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 258857

約数列:

[1, 11, 13, 71, 127, 143, 781, 923, 1397, 1651, 9017, 10153, 18161, 99187, 117221, 1289431]

約数ペア:

[(1, 1289431), (11, 117221), (13, 99187), (71, 18161), (127, 10153), (143, 9017), (781, 1651), (923, 1397)]