27390951

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 48672000

約数和(自身を除く): 21281049

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 467, 931, 1029, 1197, 1401, 2793, 3087, 3269, 4203, 6517, 8379, 8873, 9807, 19551, 22883, 26619, 29421, 58653, 62111, 68649, 79857, 160181, 186333, 205947, 434777, 480543, 558999, 1304331, 1441629, 3043439, 3912993, 9130317, 27390951]

約数ペア:

[(1, 27390951), (3, 9130317), (7, 3912993), (9, 3043439), (19, 1441629), (21, 1304331), (49, 558999), (57, 480543), (63, 434777), (133, 205947), (147, 186333), (171, 160181), (343, 79857), (399, 68649), (441, 62111), (467, 58653), (931, 29421), (1029, 26619), (1197, 22883), (1401, 19551), (2793, 9807), (3087, 8873), (3269, 8379), (4203, 6517)]