12807963

素因数分解:

$3^4\times 7^3\times {\mathrm{461}}^1$

素因数の和:494

約数の個数: 40

約数和(自身を含む): 22360800

約数和(自身を除く): 9552837

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 461, 567, 1029, 1323, 1383, 3087, 3227, 3969, 4149, 9261, 9681, 12447, 22589, 27783, 29043, 37341, 67767, 87129, 158123, 203301, 261387, 474369, 609903, 1423107, 1829709, 4269321, 12807963]

約数ペア:

[(1, 12807963), (3, 4269321), (7, 1829709), (9, 1423107), (21, 609903), (27, 474369), (49, 261387), (63, 203301), (81, 158123), (147, 87129), (189, 67767), (343, 37341), (441, 29043), (461, 27783), (567, 22589), (1029, 12447), (1323, 9681), (1383, 9261), (3087, 4149), (3227, 3969)]