28459587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 43456000

約数和(自身を除く): 14996413

約数列:

[1, 3, 13, 19, 39, 57, 193, 199, 247, 579, 597, 741, 2509, 2587, 3667, 3781, 7527, 7761, 11001, 11343, 38407, 47671, 49153, 115221, 143013, 147459, 499291, 729733, 1497873, 2189199, 9486529, 28459587]

約数ペア:

[(1, 28459587), (3, 9486529), (13, 2189199), (19, 1497873), (39, 729733), (57, 499291), (193, 147459), (199, 143013), (247, 115221), (579, 49153), (597, 47671), (741, 38407), (2509, 11343), (2587, 11001), (3667, 7761), (3781, 7527)]