219956889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 312883200

約数和(自身を除く): 92926311

約数列:

[1, 3, 23, 69, 83, 193, 199, 249, 579, 597, 1909, 4439, 4577, 5727, 13317, 13731, 16019, 16517, 38407, 48057, 49551, 115221, 368437, 379891, 883361, 1105311, 1139673, 2650083, 3187781, 9563343, 73318963, 219956889]

約数ペア:

[(1, 219956889), (3, 73318963), (23, 9563343), (69, 3187781), (83, 2650083), (193, 1139673), (199, 1105311), (249, 883361), (579, 379891), (597, 368437), (1909, 115221), (4439, 49551), (4577, 48057), (5727, 38407), (13317, 16517), (13731, 16019)]