649781847

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 1126389888

約数和(自身を除く): 476608041

約数列:

[1, 3, 9, 11, 13, 33, 39, 71, 99, 117, 143, 169, 213, 429, 507, 547, 639, 781, 923, 1287, 1521, 1641, 1859, 2343, 2769, 4923, 5577, 6017, 7029, 7111, 8307, 10153, 11999, 16731, 18051, 21333, 30459, 35997, 38837, 54153, 63999, 78221, 91377, 92443, 107991, 116511, 131989, 234663, 277329, 349533, 395967, 427207, 504881, 703989, 831987, 1016873, 1187901, 1281621, 1514643, 3050619, 3844863, 4543929, 5553691, 6563453, 9151857, 16661073, 19690359, 49983219, 59071077, 72197983, 216593949, 649781847]

約数ペア:

[(1, 649781847), (3, 216593949), (9, 72197983), (11, 59071077), (13, 49983219), (33, 19690359), (39, 16661073), (71, 9151857), (99, 6563453), (117, 5553691), (143, 4543929), (169, 3844863), (213, 3050619), (429, 1514643), (507, 1281621), (547, 1187901), (639, 1016873), (781, 831987), (923, 703989), (1287, 504881), (1521, 427207), (1641, 395967), (1859, 349533), (2343, 277329), (2769, 234663), (4923, 131989), (5577, 116511), (6017, 107991), (7029, 92443), (7111, 91377), (8307, 78221), (10153, 63999), (11999, 54153), (16731, 38837), (18051, 35997), (21333, 30459)]