12140821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5437}}^1$

素因数の和:5484

約数の個数: 16

約数和(自身を含む): 15661440

約数和(自身を除く): 3520619

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 5437, 38059, 59807, 157673, 418649, 1103711, 1734403, 12140821]

約数ペア:

[(1, 12140821), (7, 1734403), (11, 1103711), (29, 418649), (77, 157673), (203, 59807), (319, 38059), (2233, 5437)]