27985727

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 38814720

約数和(自身を除く): 10828993

約数列:

[1, 7, 11, 19, 37, 47, 77, 121, 133, 209, 259, 329, 407, 517, 703, 847, 893, 1463, 1739, 2299, 2849, 3619, 4477, 4921, 5687, 6251, 7733, 9823, 12173, 16093, 19129, 31339, 33041, 39809, 54131, 68761, 85063, 108053, 133903, 210419, 231287, 363451, 595441, 756371, 1472933, 2544157, 3997961, 27985727]

約数ペア:

[(1, 27985727), (7, 3997961), (11, 2544157), (19, 1472933), (37, 756371), (47, 595441), (77, 363451), (121, 231287), (133, 210419), (209, 133903), (259, 108053), (329, 85063), (407, 68761), (517, 54131), (703, 39809), (847, 33041), (893, 31339), (1463, 19129), (1739, 16093), (2299, 12173), (2849, 9823), (3619, 7733), (4477, 6251), (4921, 5687)]