13127247

素因数分解:

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

素因数の和:157

約数の個数: 54

約数和(自身を含む): 23658648

約数和(自身を除く): 10531401

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 103, 119, 147, 153, 289, 309, 357, 441, 721, 833, 867, 927, 1071, 1751, 2023, 2163, 2499, 2601, 5047, 5253, 6069, 6489, 7497, 12257, 14161, 15141, 15759, 18207, 29767, 36771, 42483, 45423, 85799, 89301, 110313, 127449, 208369, 257397, 267903, 625107, 772191, 1458583, 1875321, 4375749, 13127247]

約数ペア:

[(1, 13127247), (3, 4375749), (7, 1875321), (9, 1458583), (17, 772191), (21, 625107), (49, 267903), (51, 257397), (63, 208369), (103, 127449), (119, 110313), (147, 89301), (153, 85799), (289, 45423), (309, 42483), (357, 36771), (441, 29767), (721, 18207), (833, 15759), (867, 15141), (927, 14161), (1071, 12257), (1751, 7497), (2023, 6489), (2163, 6069), (2499, 5253), (2601, 5047)]