206904777

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 294700032

約数和(自身を除く): 87795255

約数列:

[1, 3, 37, 43, 67, 111, 129, 201, 647, 1591, 1941, 2479, 2881, 4773, 7437, 8643, 23939, 27821, 43349, 71817, 83463, 106597, 130047, 319791, 1029377, 1603913, 1864007, 3088131, 4811739, 5592021, 68968259, 206904777]

約数ペア:

[(1, 206904777), (3, 68968259), (37, 5592021), (43, 4811739), (67, 3088131), (111, 1864007), (129, 1603913), (201, 1029377), (647, 319791), (1591, 130047), (1941, 106597), (2479, 83463), (2881, 71817), (4773, 43349), (7437, 27821), (8643, 23939)]