206365887

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27997}}^1$

素因数の和:28029

約数の個数: 40

約数和(自身を含む): 379428896

約数和(自身を除く): 173063009

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 27997, 83991, 195979, 251973, 363961, 587937, 755919, 1091883, 1763811, 2267757, 2547727, 3275649, 5291433, 7643181, 9826947, 15874299, 22929543, 29480841, 68788629, 206365887]

約数ペア:

[(1, 206365887), (3, 68788629), (7, 29480841), (9, 22929543), (13, 15874299), (21, 9826947), (27, 7643181), (39, 5291433), (63, 3275649), (81, 2547727), (91, 2267757), (117, 1763811), (189, 1091883), (273, 755919), (351, 587937), (567, 363961), (819, 251973), (1053, 195979), (2457, 83991), (7371, 27997)]