7407207

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4844

約数の個数: 20

約数和(自身を含む): 11649880

約数和(自身を除く): 4242673

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 4813, 14439, 43317, 91447, 129951, 274341, 389853, 823023, 2469069, 7407207]

約数ペア:

[(1, 7407207), (3, 2469069), (9, 823023), (19, 389853), (27, 274341), (57, 129951), (81, 91447), (171, 43317), (513, 14439), (1539, 4813)]