90868281

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 155105280

約数和(自身を除く): 64236999

約数列:

[1, 3, 7, 17, 21, 29, 51, 67, 87, 119, 131, 201, 203, 357, 393, 469, 493, 609, 917, 1139, 1407, 1479, 1943, 2227, 2751, 3417, 3451, 3799, 5829, 6681, 7973, 8777, 10353, 11397, 13601, 15589, 23919, 26331, 26593, 33031, 40803, 46767, 61439, 64583, 79779, 99093, 149209, 184317, 193749, 231217, 254533, 447627, 452081, 693651, 763599, 1044463, 1356243, 1781731, 3133389, 4327061, 5345193, 12981183, 30289427, 90868281]

約数ペア:

[(1, 90868281), (3, 30289427), (7, 12981183), (17, 5345193), (21, 4327061), (29, 3133389), (51, 1781731), (67, 1356243), (87, 1044463), (119, 763599), (131, 693651), (201, 452081), (203, 447627), (357, 254533), (393, 231217), (469, 193749), (493, 184317), (609, 149209), (917, 99093), (1139, 79779), (1407, 64583), (1479, 61439), (1943, 46767), (2227, 40803), (2751, 33031), (3417, 26593), (3451, 26331), (3799, 23919), (5829, 15589), (6681, 13601), (7973, 11397), (8777, 10353)]