28564965

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 61012224

約数和(自身を除く): 32447259

約数列:

[1, 3, 5, 9, 11, 13, 15, 23, 33, 39, 45, 55, 65, 69, 99, 115, 117, 143, 165, 193, 195, 207, 253, 299, 345, 429, 495, 579, 585, 715, 759, 897, 965, 1035, 1265, 1287, 1495, 1737, 2123, 2145, 2277, 2509, 2691, 2895, 3289, 3795, 4439, 4485, 6369, 6435, 7527, 8685, 9867, 10615, 11385, 12545, 13317, 13455, 16445, 19107, 22195, 22581, 27599, 29601, 31845, 37635, 39951, 48829, 49335, 57707, 66585, 82797, 95535, 112905, 137995, 146487, 148005, 173121, 199755, 244145, 248391, 288535, 413985, 439461, 519363, 634777, 732435, 865605, 1241955, 1904331, 2197305, 2596815, 3173885, 5712993, 9521655, 28564965]

約数ペア:

[(1, 28564965), (3, 9521655), (5, 5712993), (9, 3173885), (11, 2596815), (13, 2197305), (15, 1904331), (23, 1241955), (33, 865605), (39, 732435), (45, 634777), (55, 519363), (65, 439461), (69, 413985), (99, 288535), (115, 248391), (117, 244145), (143, 199755), (165, 173121), (193, 148005), (195, 146487), (207, 137995), (253, 112905), (299, 95535), (345, 82797), (429, 66585), (495, 57707), (579, 49335), (585, 48829), (715, 39951), (759, 37635), (897, 31845), (965, 29601), (1035, 27599), (1265, 22581), (1287, 22195), (1495, 19107), (1737, 16445), (2123, 13455), (2145, 13317), (2277, 12545), (2509, 11385), (2691, 10615), (2895, 9867), (3289, 8685), (3795, 7527), (4439, 6435), (4485, 6369)]