28095543

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 50506560

約数和(自身を除く): 22411017

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 629, 709, 777, 1071, 1887, 2127, 2331, 4403, 4963, 5661, 6381, 12053, 13209, 14889, 26233, 36159, 39627, 44667, 78699, 84371, 108477, 183631, 236097, 253113, 445961, 550893, 759339, 1337883, 1652679, 3121727, 4013649, 9365181, 28095543]

約数ペア:

[(1, 28095543), (3, 9365181), (7, 4013649), (9, 3121727), (17, 1652679), (21, 1337883), (37, 759339), (51, 550893), (63, 445961), (111, 253113), (119, 236097), (153, 183631), (259, 108477), (333, 84371), (357, 78699), (629, 44667), (709, 39627), (777, 36159), (1071, 26233), (1887, 14889), (2127, 13209), (2331, 12053), (4403, 6381), (4963, 5661)]