81617261733

素因数分解:

$3^2\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{685819}}^1$

素因数の和:687721

約数の個数: 24

約数和(自身を含む): 134804779200

約数和(自身を除く): 53187517467

約数列:

[1, 3, 7, 9, 21, 63, 1889, 5667, 13223, 17001, 39669, 119007, 685819, 2057457, 4800733, 6172371, 14402199, 43206597, 1295512091, 3886536273, 9068584637, 11659608819, 27205753911, 81617261733]

約数ペア:

[(1, 81617261733), (3, 27205753911), (7, 11659608819), (9, 9068584637), (21, 3886536273), (63, 1295512091), (1889, 43206597), (5667, 14402199), (13223, 6172371), (17001, 4800733), (39669, 2057457), (119007, 685819)]