27678629

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 32277504

約数和(自身を除く): 4598875

約数列:

[1, 11, 31, 47, 121, 157, 341, 517, 1457, 1727, 3751, 4867, 5687, 7379, 16027, 18997, 53537, 81169, 176297, 228749, 588907, 892859, 2516239, 27678629]

約数ペア:

[(1, 27678629), (11, 2516239), (31, 892859), (47, 588907), (121, 228749), (157, 176297), (341, 81169), (517, 53537), (1457, 18997), (1727, 16027), (3751, 7379), (4867, 5687)]