12388257

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 22239360

約数和(自身を除く): 9851103

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 269, 301, 357, 387, 731, 807, 903, 1071, 1883, 2193, 2421, 2709, 4573, 5117, 5649, 6579, 11567, 13719, 15351, 16947, 32011, 34701, 41157, 46053, 80969, 96033, 104103, 196639, 242907, 288099, 589917, 728721, 1376473, 1769751, 4129419, 12388257]

約数ペア:

[(1, 12388257), (3, 4129419), (7, 1769751), (9, 1376473), (17, 728721), (21, 589917), (43, 288099), (51, 242907), (63, 196639), (119, 104103), (129, 96033), (153, 80969), (269, 46053), (301, 41157), (357, 34701), (387, 32011), (731, 16947), (807, 15351), (903, 13719), (1071, 11567), (1883, 6579), (2193, 5649), (2421, 5117), (2709, 4573)]