168521697

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 280800000

約数和(自身を除く): 112278303

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 153, 171, 261, 323, 493, 551, 969, 1479, 1653, 1999, 2907, 4437, 4959, 5997, 9367, 17991, 28101, 33983, 37981, 57971, 84303, 101949, 113943, 173913, 305847, 341829, 521739, 645677, 985507, 1101449, 1937031, 2956521, 3304347, 5811093, 8869563, 9913041, 18724633, 56173899, 168521697]

約数ペア:

[(1, 168521697), (3, 56173899), (9, 18724633), (17, 9913041), (19, 8869563), (29, 5811093), (51, 3304347), (57, 2956521), (87, 1937031), (153, 1101449), (171, 985507), (261, 645677), (323, 521739), (493, 341829), (551, 305847), (969, 173913), (1479, 113943), (1653, 101949), (1999, 84303), (2907, 57971), (4437, 37981), (4959, 33983), (5997, 28101), (9367, 17991)]