25178211

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 38826320

約数和(自身を除く): 13648109

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 2017, 4161, 6051, 12483, 18153, 38323, 114969, 147241, 344907, 441723, 1325169, 2797579, 8392737, 25178211]

約数ペア:

[(1, 25178211), (3, 8392737), (9, 2797579), (19, 1325169), (57, 441723), (73, 344907), (171, 147241), (219, 114969), (657, 38323), (1387, 18153), (2017, 12483), (4161, 6051)]