7890909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 12472320

約数和(自身を除く): 4581411

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 463, 741, 897, 1311, 1389, 5681, 6019, 8797, 10649, 17043, 18057, 26391, 31947, 114361, 138437, 202331, 343083, 415311, 606993, 2630303, 7890909]

約数ペア:

[(1, 7890909), (3, 2630303), (13, 606993), (19, 415311), (23, 343083), (39, 202331), (57, 138437), (69, 114361), (247, 31947), (299, 26391), (437, 18057), (463, 17043), (741, 10649), (897, 8797), (1311, 6019), (1389, 5681)]