27181231

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 34801920

約数和(自身を除く): 7620689

約数列:

[1, 7, 11, 49, 77, 211, 239, 539, 1477, 1673, 2321, 2629, 10339, 11711, 16247, 18403, 50429, 113729, 128821, 353003, 554719, 2471021, 3883033, 27181231]

約数ペア:

[(1, 27181231), (7, 3883033), (11, 2471021), (49, 554719), (77, 353003), (211, 128821), (239, 113729), (539, 50429), (1477, 18403), (1673, 16247), (2321, 11711), (2629, 10339)]