81707181

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{21841}}^1$

素因数の和:21916

約数の個数: 16

約数和(自身を含む): 115325760

約数和(自身を除く): 33618579

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 21841, 65523, 633389, 939163, 1900167, 2817489, 27235727, 81707181]

約数ペア:

[(1, 81707181), (3, 27235727), (29, 2817489), (43, 1900167), (87, 939163), (129, 633389), (1247, 65523), (3741, 21841)]