81575767

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1657}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 100647232

約数和(自身を除く): 19071465

約数列:

[1, 7, 13, 91, 541, 1657, 3787, 7033, 11599, 21541, 49231, 150787, 896437, 6275059, 11653681, 81575767]

約数ペア:

[(1, 81575767), (7, 11653681), (13, 6275059), (91, 896437), (541, 150787), (1657, 49231), (3787, 21541), (7033, 11599)]