81321767

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2734

約数の個数: 16

約数和(自身を含む): 90616320

約数和(自身を除く): 9294553

約数列:

[1, 19, 23, 71, 437, 1349, 1633, 2621, 31027, 49799, 60283, 186091, 1145377, 3535729, 4280093, 81321767]

約数ペア:

[(1, 81321767), (19, 4280093), (23, 3535729), (71, 1145377), (437, 186091), (1349, 60283), (1633, 49799), (2621, 31027)]