260967

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 432256

約数和(自身を除く): 171289

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 289, 301, 357, 731, 867, 903, 2023, 2193, 5117, 6069, 12427, 15351, 37281, 86989, 260967]

約数ペア:

[(1, 260967), (3, 86989), (7, 37281), (17, 15351), (21, 12427), (43, 6069), (51, 5117), (119, 2193), (129, 2023), (289, 903), (301, 867), (357, 731)]