127939217

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 159559680

約数和(自身を除く): 31620463

約数列:

[1, 7, 19, 47, 97, 133, 211, 329, 679, 893, 1477, 1843, 4009, 4559, 6251, 9917, 12901, 20467, 28063, 31913, 69419, 86621, 143269, 188423, 388873, 606347, 961949, 1318961, 2722111, 6733643, 18277031, 127939217]

約数ペア:

[(1, 127939217), (7, 18277031), (19, 6733643), (47, 2722111), (97, 1318961), (133, 961949), (211, 606347), (329, 388873), (679, 188423), (893, 143269), (1477, 86621), (1843, 69419), (4009, 31913), (4559, 28063), (6251, 20467), (9917, 12901)]