28067067

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 48787200

約数和(自身を除く): 20720133

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 839, 1239, 1593, 2517, 3717, 4779, 5873, 7551, 11151, 17619, 22653, 33453, 49501, 52857, 67959, 148503, 158571, 346507, 445509, 475713, 1039521, 1336527, 3118563, 4009581, 9355689, 28067067]

約数ペア:

[(1, 28067067), (3, 9355689), (7, 4009581), (9, 3118563), (21, 1336527), (27, 1039521), (59, 475713), (63, 445509), (81, 346507), (177, 158571), (189, 148503), (413, 67959), (531, 52857), (567, 49501), (839, 33453), (1239, 22653), (1593, 17619), (2517, 11151), (3717, 7551), (4779, 5873)]