15721739829

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{17657}}^1$

素因数の和:17850

約数の個数: 48

約数和(自身を含む): 24681646080

約数和(自身を除く): 8959906251

約数列:

[1, 3, 9, 19, 41, 57, 123, 127, 171, 369, 381, 779, 1143, 2337, 2413, 5207, 7011, 7239, 15621, 17657, 21717, 46863, 52971, 98933, 158913, 296799, 335483, 723937, 890397, 1006449, 2171811, 2242439, 3019347, 6515433, 6727317, 13754803, 20181951, 41264409, 42606341, 91939999, 123793227, 127819023, 275819997, 383457069, 827459991, 1746859981, 5240579943, 15721739829]

約数ペア:

[(1, 15721739829), (3, 5240579943), (9, 1746859981), (19, 827459991), (41, 383457069), (57, 275819997), (123, 127819023), (127, 123793227), (171, 91939999), (369, 42606341), (381, 41264409), (779, 20181951), (1143, 13754803), (2337, 6727317), (2413, 6515433), (5207, 3019347), (7011, 2242439), (7239, 2171811), (15621, 1006449), (17657, 890397), (21717, 723937), (46863, 335483), (52971, 296799), (98933, 158913)]