28251195

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:82

約数の個数: 96

約数和(自身を含む): 58944000

約数和(自身を除く): 30692805

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 49, 51, 57, 85, 95, 105, 119, 133, 147, 245, 255, 285, 289, 323, 343, 357, 399, 595, 665, 735, 833, 867, 931, 969, 1029, 1445, 1615, 1715, 1785, 1995, 2023, 2261, 2499, 2793, 4165, 4335, 4655, 4845, 5145, 5491, 5831, 6069, 6517, 6783, 10115, 11305, 12495, 13965, 14161, 15827, 16473, 17493, 19551, 27455, 29155, 30345, 32585, 33915, 38437, 42483, 47481, 70805, 79135, 82365, 87465, 97755, 99127, 110789, 115311, 192185, 212415, 237405, 269059, 297381, 332367, 495635, 553945, 576555, 807177, 1345295, 1486905, 1661835, 1883413, 4035885, 5650239, 9417065, 28251195]

約数ペア:

[(1, 28251195), (3, 9417065), (5, 5650239), (7, 4035885), (15, 1883413), (17, 1661835), (19, 1486905), (21, 1345295), (35, 807177), (49, 576555), (51, 553945), (57, 495635), (85, 332367), (95, 297381), (105, 269059), (119, 237405), (133, 212415), (147, 192185), (245, 115311), (255, 110789), (285, 99127), (289, 97755), (323, 87465), (343, 82365), (357, 79135), (399, 70805), (595, 47481), (665, 42483), (735, 38437), (833, 33915), (867, 32585), (931, 30345), (969, 29155), (1029, 27455), (1445, 19551), (1615, 17493), (1715, 16473), (1785, 15827), (1995, 14161), (2023, 13965), (2261, 12495), (2499, 11305), (2793, 10115), (4165, 6783), (4335, 6517), (4655, 6069), (4845, 5831), (5145, 5491)]