258492879

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 379258880

約数和(自身を除く): 120766001

約数列:

[1, 3, 9, 127, 139, 381, 417, 1143, 1251, 1627, 4881, 14643, 17653, 52959, 158877, 206629, 226153, 619887, 678459, 1859661, 2035377, 28721431, 86164293, 258492879]

約数ペア:

[(1, 258492879), (3, 86164293), (9, 28721431), (127, 2035377), (139, 1859661), (381, 678459), (417, 619887), (1143, 226153), (1251, 206629), (1627, 158877), (4881, 52959), (14643, 17653)]