20139027489

素因数分解:

$3^4\times 7^2\times {\mathrm{5074081}}^1$

素因数の和:5074107

約数の個数: 30

約数和(自身を含む): 34995943554

約数和(自身を除く): 14856916065

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5074081, 15222243, 35518567, 45666729, 106555701, 137000187, 248629969, 319667103, 411000561, 745889907, 959001309, 2237669721, 2877003927, 6713009163, 20139027489]

約数ペア:

[(1, 20139027489), (3, 6713009163), (7, 2877003927), (9, 2237669721), (21, 959001309), (27, 745889907), (49, 411000561), (63, 319667103), (81, 248629969), (147, 137000187), (189, 106555701), (441, 45666729), (567, 35518567), (1323, 15222243), (3969, 5074081)]