2685778839

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15881}}^1$

素因数の和:15972

約数の個数: 48

約数和(自身を含む): 4360561920

約数和(自身を除く): 1674783081

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 207, 387, 437, 817, 989, 1311, 2451, 2967, 3933, 7353, 8901, 15881, 18791, 47643, 56373, 142929, 169119, 301739, 365263, 682883, 905217, 1095789, 2048649, 2715651, 3287367, 6145947, 6939997, 12974777, 15706309, 20819991, 38924331, 47118927, 62459973, 116772993, 141356781, 298419871, 895259613, 2685778839]

約数ペア:

[(1, 2685778839), (3, 895259613), (9, 298419871), (19, 141356781), (23, 116772993), (43, 62459973), (57, 47118927), (69, 38924331), (129, 20819991), (171, 15706309), (207, 12974777), (387, 6939997), (437, 6145947), (817, 3287367), (989, 2715651), (1311, 2048649), (2451, 1095789), (2967, 905217), (3933, 682883), (7353, 365263), (8901, 301739), (15881, 169119), (18791, 142929), (47643, 56373)]