7520409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 13104000

約数和(自身を除く): 5583591

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 199, 221, 247, 323, 597, 663, 741, 969, 1791, 1989, 2223, 2587, 2907, 3383, 3781, 4199, 7761, 10149, 11343, 12597, 23283, 30447, 34029, 37791, 43979, 49153, 64277, 131937, 147459, 192831, 395811, 442377, 578493, 835601, 2506803, 7520409]

約数ペア:

[(1, 7520409), (3, 2506803), (9, 835601), (13, 578493), (17, 442377), (19, 395811), (39, 192831), (51, 147459), (57, 131937), (117, 64277), (153, 49153), (171, 43979), (199, 37791), (221, 34029), (247, 30447), (323, 23283), (597, 12597), (663, 11343), (741, 10149), (969, 7761), (1791, 4199), (1989, 3781), (2223, 3383), (2587, 2907)]