81309767

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2473}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 104917392

約数和(自身を除く): 23607625

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 2473, 2989, 4697, 17311, 27203, 32879, 121177, 150853, 190421, 1055971, 1332947, 1659383, 7391797, 11615681, 81309767]

約数ペア:

[(1, 81309767), (7, 11615681), (11, 7391797), (49, 1659383), (61, 1332947), (77, 1055971), (427, 190421), (539, 150853), (671, 121177), (2473, 32879), (2989, 27203), (4697, 17311)]