28881423

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 43863248

約数和(自身を除く): 14981825

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 2017, 4773, 6051, 14319, 18153, 74629, 86731, 223887, 260193, 671661, 780579, 3209047, 9627141, 28881423]

約数ペア:

[(1, 28881423), (3, 9627141), (9, 3209047), (37, 780579), (43, 671661), (111, 260193), (129, 223887), (333, 86731), (387, 74629), (1591, 18153), (2017, 14319), (4773, 6051)]