247115463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{3209}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 398553600

約数和(自身を除く): 151438137

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 579, 1351, 3209, 3667, 4053, 9627, 11001, 22463, 25669, 60971, 67389, 77007, 182913, 426797, 619337, 1280391, 1858011, 4335359, 11767403, 13006077, 35302209, 82371821, 247115463]

約数ペア:

[(1, 247115463), (3, 82371821), (7, 35302209), (19, 13006077), (21, 11767403), (57, 4335359), (133, 1858011), (193, 1280391), (399, 619337), (579, 426797), (1351, 182913), (3209, 77007), (3667, 67389), (4053, 60971), (9627, 25669), (11001, 22463)]