28375737

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 43610112

約数和(自身を除く): 15234375

約数列:

[1, 3, 13, 17, 39, 51, 127, 221, 337, 381, 663, 1011, 1651, 2159, 4381, 4953, 5729, 6477, 13143, 17187, 28067, 42799, 74477, 84201, 128397, 223431, 556387, 727583, 1669161, 2182749, 9458579, 28375737]

約数ペア:

[(1, 28375737), (3, 9458579), (13, 2182749), (17, 1669161), (39, 727583), (51, 556387), (127, 223431), (221, 128397), (337, 84201), (381, 74477), (663, 42799), (1011, 28067), (1651, 17187), (2159, 13143), (4381, 6477), (4953, 5729)]