211768557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 383545344

約数和(自身を除く): 171776787

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 97, 143, 231, 273, 291, 429, 679, 727, 1001, 1067, 1261, 2037, 2181, 3003, 3201, 3783, 5089, 7469, 7997, 8827, 9451, 13871, 15267, 22407, 23991, 26481, 28353, 41613, 55979, 66157, 70519, 97097, 103961, 167937, 198471, 211557, 291291, 311883, 493633, 727727, 775709, 916747, 1480899, 2183181, 2327127, 2750241, 5429963, 6417229, 10084217, 16289889, 19251687, 30252651, 70589519, 211768557]

約数ペア:

[(1, 211768557), (3, 70589519), (7, 30252651), (11, 19251687), (13, 16289889), (21, 10084217), (33, 6417229), (39, 5429963), (77, 2750241), (91, 2327127), (97, 2183181), (143, 1480899), (231, 916747), (273, 775709), (291, 727727), (429, 493633), (679, 311883), (727, 291291), (1001, 211557), (1067, 198471), (1261, 167937), (2037, 103961), (2181, 97097), (3003, 70519), (3201, 66157), (3783, 55979), (5089, 41613), (7469, 28353), (7997, 26481), (8827, 23991), (9451, 22407), (13871, 15267)]