8649081

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 15335424

約数和(自身を除く): 6686343

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 127, 141, 161, 207, 329, 381, 423, 483, 889, 987, 1081, 1143, 1449, 2667, 2921, 2961, 3243, 5969, 7567, 8001, 8763, 9729, 17907, 20447, 22701, 26289, 41783, 53721, 61341, 68103, 125349, 137287, 184023, 376047, 411861, 961009, 1235583, 2883027, 8649081]

約数ペア:

[(1, 8649081), (3, 2883027), (7, 1235583), (9, 961009), (21, 411861), (23, 376047), (47, 184023), (63, 137287), (69, 125349), (127, 68103), (141, 61341), (161, 53721), (207, 41783), (329, 26289), (381, 22701), (423, 20447), (483, 17907), (889, 9729), (987, 8763), (1081, 8001), (1143, 7567), (1449, 5969), (2667, 3243), (2921, 2961)]