20921915046879

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{635359}}^1$

素因数の和:635770

約数の個数: 128

約数和(自身を含む): 39583029657600

約数和(自身を除く): 18661114610721

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 99, 141, 189, 231, 297, 329, 337, 423, 517, 693, 987, 1011, 1269, 1551, 2079, 2359, 2961, 3033, 3619, 3707, 4653, 7077, 8883, 9099, 10857, 11121, 13959, 15839, 21231, 25949, 32571, 33363, 47517, 63693, 77847, 97713, 100089, 110873, 142551, 174229, 233541, 332619, 427653, 522687, 635359, 700623, 997857, 1219603, 1568061, 1906077, 2993571, 3658809, 4447513, 4704183, 5718231, 6988949, 10976427, 13342539, 17154693, 20966847, 29861873, 32929281, 40027617, 48922643, 62900541, 89585619, 120082851, 146767929, 188701623, 209033111, 214115983, 268756857, 328480603, 440303787, 627099333, 642347949, 806270571, 985441809, 1320911361, 1498811881, 1881297999, 1927043847, 2299364221, 2355275813, 2956325427, 4496435643, 5643893997, 5781131541, 6898092663, 7065827439, 8868976281, 10063451201, 13489306929, 16486930691, 20694277989, 21197482317, 30190353603, 40467920787, 49460792073, 62082833967, 63592446951, 70444158407, 90571060809, 110697963211, 148382376219, 211332475221, 271713182427, 332093889633, 445147128657, 633997425663, 774885742477, 996281668899, 1901992276989, 2324657227431, 2988845006697, 6973971682293, 20921915046879]

約数ペア:

[(1, 20921915046879), (3, 6973971682293), (7, 2988845006697), (9, 2324657227431), (11, 1901992276989), (21, 996281668899), (27, 774885742477), (33, 633997425663), (47, 445147128657), (63, 332093889633), (77, 271713182427), (99, 211332475221), (141, 148382376219), (189, 110697963211), (231, 90571060809), (297, 70444158407), (329, 63592446951), (337, 62082833967), (423, 49460792073), (517, 40467920787), (693, 30190353603), (987, 21197482317), (1011, 20694277989), (1269, 16486930691), (1551, 13489306929), (2079, 10063451201), (2359, 8868976281), (2961, 7065827439), (3033, 6898092663), (3619, 5781131541), (3707, 5643893997), (4653, 4496435643), (7077, 2956325427), (8883, 2355275813), (9099, 2299364221), (10857, 1927043847), (11121, 1881297999), (13959, 1498811881), (15839, 1320911361), (21231, 985441809), (25949, 806270571), (32571, 642347949), (33363, 627099333), (47517, 440303787), (63693, 328480603), (77847, 268756857), (97713, 214115983), (100089, 209033111), (110873, 188701623), (142551, 146767929), (174229, 120082851), (233541, 89585619), (332619, 62900541), (427653, 48922643), (522687, 40027617), (635359, 32929281), (700623, 29861873), (997857, 20966847), (1219603, 17154693), (1568061, 13342539), (1906077, 10976427), (2993571, 6988949), (3658809, 5718231), (4447513, 4704183)]