28129815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 61301760

約数和(自身を除く): 33171945

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 103, 105, 119, 135, 153, 189, 255, 289, 309, 315, 357, 459, 515, 595, 721, 765, 867, 927, 945, 1071, 1445, 1545, 1751, 1785, 2023, 2163, 2295, 2601, 2781, 3213, 3605, 4335, 4635, 5253, 5355, 6069, 6489, 7803, 8755, 10115, 10815, 12257, 13005, 13905, 15759, 16065, 18207, 19467, 26265, 29767, 30345, 32445, 36771, 39015, 47277, 54621, 61285, 78795, 89301, 91035, 97335, 110313, 148835, 183855, 208369, 236385, 267903, 273105, 330939, 446505, 551565, 625107, 803709, 1041845, 1339515, 1654695, 1875321, 3125535, 4018545, 5625963, 9376605, 28129815]

約数ペア:

[(1, 28129815), (3, 9376605), (5, 5625963), (7, 4018545), (9, 3125535), (15, 1875321), (17, 1654695), (21, 1339515), (27, 1041845), (35, 803709), (45, 625107), (51, 551565), (63, 446505), (85, 330939), (103, 273105), (105, 267903), (119, 236385), (135, 208369), (153, 183855), (189, 148835), (255, 110313), (289, 97335), (309, 91035), (315, 89301), (357, 78795), (459, 61285), (515, 54621), (595, 47277), (721, 39015), (765, 36771), (867, 32445), (927, 30345), (945, 29767), (1071, 26265), (1445, 19467), (1545, 18207), (1751, 16065), (1785, 15759), (2023, 13905), (2163, 13005), (2295, 12257), (2601, 10815), (2781, 10115), (3213, 8755), (3605, 7803), (4335, 6489), (4635, 6069), (5253, 5355)]