27785205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12601}}^1$

素因数の和:12626

約数の個数: 36

約数和(自身を含む): 56028492

約数和(自身を除く): 28243287

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12601, 37803, 63005, 88207, 113409, 189015, 264621, 441035, 567045, 617449, 793863, 1323105, 1852347, 3087245, 3969315, 5557041, 9261735, 27785205]

約数ペア:

[(1, 27785205), (3, 9261735), (5, 5557041), (7, 3969315), (9, 3087245), (15, 1852347), (21, 1323105), (35, 793863), (45, 617449), (49, 567045), (63, 441035), (105, 264621), (147, 189015), (245, 113409), (315, 88207), (441, 63005), (735, 37803), (2205, 12601)]