201209811

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 308577024

約数和(自身を除く): 107367213

約数列:

[1, 3, 11, 33, 37, 71, 111, 121, 211, 213, 363, 407, 633, 781, 1221, 2321, 2343, 2627, 4477, 6963, 7807, 7881, 8591, 13431, 14981, 23421, 25531, 25773, 28897, 44943, 76593, 85877, 86691, 164791, 257631, 317867, 494373, 554297, 944647, 953601, 1662891, 1812701, 2833941, 5438103, 6097267, 18291801, 67069937, 201209811]

約数ペア:

[(1, 201209811), (3, 67069937), (11, 18291801), (33, 6097267), (37, 5438103), (71, 2833941), (111, 1812701), (121, 1662891), (211, 953601), (213, 944647), (363, 554297), (407, 494373), (633, 317867), (781, 257631), (1221, 164791), (2321, 86691), (2343, 85877), (2627, 76593), (4477, 44943), (6963, 28897), (7807, 25773), (7881, 25531), (8591, 23421), (13431, 14981)]