81348217

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 87994368

約数和(自身を除く): 6646151

約数列:

[1, 23, 43, 83, 989, 991, 1909, 3569, 22793, 42613, 82087, 82253, 980099, 1891819, 3536879, 81348217]

約数ペア:

[(1, 81348217), (23, 3536879), (43, 1891819), (83, 980099), (989, 82253), (991, 82087), (1909, 42613), (3569, 22793)]