211820037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 351360000

約数和(自身を除く): 139539963

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 169, 209, 247, 429, 507, 627, 741, 1859, 1999, 2717, 3211, 5577, 5997, 8151, 9633, 21989, 25987, 35321, 37981, 65967, 77961, 105963, 113943, 285857, 337831, 417791, 493753, 857571, 1013493, 1253373, 1481259, 3716141, 5431283, 6418789, 11148423, 16293849, 19256367, 70606679, 211820037]

約数ペア:

[(1, 211820037), (3, 70606679), (11, 19256367), (13, 16293849), (19, 11148423), (33, 6418789), (39, 5431283), (57, 3716141), (143, 1481259), (169, 1253373), (209, 1013493), (247, 857571), (429, 493753), (507, 417791), (627, 337831), (741, 285857), (1859, 113943), (1999, 105963), (2717, 77961), (3211, 65967), (5577, 37981), (5997, 35321), (8151, 25987), (9633, 21989)]