289774503

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 462223872

約数和(自身を除く): 172449369

約数列:

[1, 3, 9, 17, 27, 51, 81, 127, 153, 381, 459, 1143, 1377, 1657, 2159, 3429, 4971, 6477, 10287, 14913, 19431, 28169, 44739, 58293, 84507, 134217, 174879, 210439, 253521, 631317, 760563, 1893951, 2281689, 3577463, 5681853, 10732389, 17045559, 32197167, 96591501, 289774503]

約数ペア:

[(1, 289774503), (3, 96591501), (9, 32197167), (17, 17045559), (27, 10732389), (51, 5681853), (81, 3577463), (127, 2281689), (153, 1893951), (381, 760563), (459, 631317), (1143, 253521), (1377, 210439), (1657, 174879), (2159, 134217), (3429, 84507), (4971, 58293), (6477, 44739), (10287, 28169), (14913, 19431)]