71891211

素因数分解:

$3^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{3877}}^1$

素因数の和:4770

約数の個数: 16

約数和(自身を含む): 109700864

約数和(自身を除く): 37809653

約数列:

[1, 3, 7, 21, 883, 2649, 3877, 6181, 11631, 18543, 27139, 81417, 3423391, 10270173, 23963737, 71891211]

約数ペア:

[(1, 71891211), (3, 23963737), (7, 10270173), (21, 3423391), (883, 81417), (2649, 27139), (3877, 18543), (6181, 11631)]