28567737

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 46648420

約数和(自身を除く): 18080683

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 709, 1089, 1221, 2127, 3663, 4477, 6381, 7799, 13431, 23397, 26233, 40293, 70191, 78699, 85789, 236097, 257367, 288563, 772101, 865689, 2597067, 3174193, 9522579, 28567737]

約数ペア:

[(1, 28567737), (3, 9522579), (9, 3174193), (11, 2597067), (33, 865689), (37, 772101), (99, 288563), (111, 257367), (121, 236097), (333, 85789), (363, 78699), (407, 70191), (709, 40293), (1089, 26233), (1221, 23397), (2127, 13431), (3663, 7799), (4477, 6381)]