7840521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3565

約数の個数: 24

約数和(自身を含む): 12841920

約数和(自身を除く): 5001399

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 3527, 10581, 31743, 45851, 67013, 137553, 201039, 412659, 603117, 871169, 2613507, 7840521]

約数ペア:

[(1, 7840521), (3, 2613507), (9, 871169), (13, 603117), (19, 412659), (39, 201039), (57, 137553), (117, 67013), (171, 45851), (247, 31743), (741, 10581), (2223, 3527)]