51305643

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 89385120

約数和(自身を除く): 38079477

約数列:

[1, 3, 9, 17, 19, 27, 37, 51, 53, 57, 81, 111, 153, 159, 171, 323, 333, 459, 477, 513, 629, 703, 901, 969, 999, 1007, 1377, 1431, 1539, 1887, 1961, 2109, 2703, 2907, 2997, 3021, 4293, 5661, 5883, 6327, 8109, 8721, 9063, 11951, 16983, 17119, 17649, 18981, 24327, 26163, 27189, 33337, 35853, 37259, 50949, 51357, 52947, 56943, 72981, 81567, 100011, 107559, 111777, 154071, 158841, 300033, 322677, 335331, 462213, 633403, 900099, 968031, 1005993, 1386639, 1900209, 2700297, 3017979, 5700627, 17101881, 51305643]

約数ペア:

[(1, 51305643), (3, 17101881), (9, 5700627), (17, 3017979), (19, 2700297), (27, 1900209), (37, 1386639), (51, 1005993), (53, 968031), (57, 900099), (81, 633403), (111, 462213), (153, 335331), (159, 322677), (171, 300033), (323, 158841), (333, 154071), (459, 111777), (477, 107559), (513, 100011), (629, 81567), (703, 72981), (901, 56943), (969, 52947), (999, 51357), (1007, 50949), (1377, 37259), (1431, 35853), (1539, 33337), (1887, 27189), (1961, 26163), (2109, 24327), (2703, 18981), (2907, 17649), (2997, 17119), (3021, 16983), (4293, 11951), (5661, 9063), (5883, 8721), (6327, 8109)]