208519935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1447}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 360030720

約数和(自身を除く): 151510785

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 739, 1447, 2217, 3695, 4341, 7235, 9607, 11085, 18811, 21705, 28821, 48035, 56433, 94055, 144105, 282165, 1069333, 3207999, 5346665, 13901329, 16039995, 41703987, 69506645, 208519935]

約数ペア:

[(1, 208519935), (3, 69506645), (5, 41703987), (13, 16039995), (15, 13901329), (39, 5346665), (65, 3207999), (195, 1069333), (739, 282165), (1447, 144105), (2217, 94055), (3695, 56433), (4341, 48035), (7235, 28821), (9607, 21705), (11085, 18811)]