16391037

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 24267936

約数和(自身を除く): 7876899

約数列:

[1, 3, 13, 37, 39, 111, 307, 481, 921, 1369, 1443, 3991, 4107, 11359, 11973, 17797, 34077, 53391, 147667, 420283, 443001, 1260849, 5463679, 16391037]

約数ペア:

[(1, 16391037), (3, 5463679), (13, 1260849), (37, 443001), (39, 420283), (111, 147667), (307, 53391), (481, 34077), (921, 17797), (1369, 11973), (1443, 11359), (3991, 4107)]