19565530047

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1\times {\mathrm{2437}}^1$

素因数の和:2957

約数の個数: 64

約数和(自身を含む): 33534397440

約数和(自身を除く): 13968867393

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 397, 749, 963, 1191, 2247, 2437, 2779, 2889, 3573, 6741, 7311, 8337, 10719, 17059, 20223, 21933, 25011, 42479, 51177, 65799, 75033, 127437, 153531, 260759, 297353, 382311, 460593, 782277, 892059, 967489, 1146933, 1825313, 2346831, 2676177, 2902467, 5475939, 6772423, 7040493, 8028531, 8707401, 16427817, 20317269, 26122203, 49283451, 60951807, 103521323, 182855421, 310563969, 724649261, 931691907, 2173947783, 2795075721, 6521843349, 19565530047]

約数ペア:

[(1, 19565530047), (3, 6521843349), (7, 2795075721), (9, 2173947783), (21, 931691907), (27, 724649261), (63, 310563969), (107, 182855421), (189, 103521323), (321, 60951807), (397, 49283451), (749, 26122203), (963, 20317269), (1191, 16427817), (2247, 8707401), (2437, 8028531), (2779, 7040493), (2889, 6772423), (3573, 5475939), (6741, 2902467), (7311, 2676177), (8337, 2346831), (10719, 1825313), (17059, 1146933), (20223, 967489), (21933, 892059), (25011, 782277), (42479, 460593), (51177, 382311), (65799, 297353), (75033, 260759), (127437, 153531)]