81581201

素因数分解:

${\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:633

約数の個数: 16

約数和(自身を含む): 89792640

約数和(自身を除く): 8211439

約数列:

[1, 13, 71, 169, 523, 923, 2197, 6799, 11999, 37133, 88387, 155987, 482729, 1149031, 6275477, 81581201]

約数ペア:

[(1, 81581201), (13, 6275477), (71, 1149031), (169, 482729), (523, 155987), (923, 88387), (2197, 37133), (6799, 11999)]