25477803

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 42558880

約数和(自身を除く): 17081077

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 157, 171, 219, 247, 471, 657, 741, 949, 1387, 1413, 2041, 2223, 2847, 2983, 4161, 6123, 8541, 8949, 11461, 12483, 18031, 18369, 26847, 34383, 38779, 54093, 103149, 116337, 148993, 162279, 217759, 349011, 446979, 653277, 1340937, 1959831, 2830867, 8492601, 25477803]

約数ペア:

[(1, 25477803), (3, 8492601), (9, 2830867), (13, 1959831), (19, 1340937), (39, 653277), (57, 446979), (73, 349011), (117, 217759), (157, 162279), (171, 148993), (219, 116337), (247, 103149), (471, 54093), (657, 38779), (741, 34383), (949, 26847), (1387, 18369), (1413, 18031), (2041, 12483), (2223, 11461), (2847, 8949), (2983, 8541), (4161, 6123)]