138143439

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20117}}^1$

素因数の和:20239

約数の個数: 24

約数和(自身を含む): 230149920

約数和(自身を除く): 92006481

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 20117, 60351, 140819, 181053, 422457, 1267371, 2192753, 6578259, 15349271, 19734777, 46047813, 138143439]

約数ペア:

[(1, 138143439), (3, 46047813), (7, 19734777), (9, 15349271), (21, 6578259), (63, 2192753), (109, 1267371), (327, 422457), (763, 181053), (981, 140819), (2289, 60351), (6867, 20117)]