28141737

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 42016128

約数和(自身を除く): 13874391

約数列:

[1, 3, 13, 39, 43, 97, 129, 173, 291, 519, 559, 1261, 1677, 2249, 3783, 4171, 6747, 7439, 12513, 16781, 22317, 50343, 54223, 96707, 162669, 218153, 290121, 654459, 721583, 2164749, 9380579, 28141737]

約数ペア:

[(1, 28141737), (3, 9380579), (13, 2164749), (39, 721583), (43, 654459), (97, 290121), (129, 218153), (173, 162669), (291, 96707), (519, 54223), (559, 50343), (1261, 22317), (1677, 16781), (2249, 12513), (3783, 7439), (4171, 6747)]