204156687

素因数分解:

$3^1\times 7^3\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 319360000

約数和(自身を除く): 115203313

約数列:

[1, 3, 7, 21, 49, 147, 199, 343, 597, 997, 1029, 1393, 2991, 4179, 6979, 9751, 20937, 29253, 48853, 68257, 146559, 198403, 204771, 341971, 595209, 1025913, 1388821, 4166463, 9721747, 29165241, 68052229, 204156687]

約数ペア:

[(1, 204156687), (3, 68052229), (7, 29165241), (21, 9721747), (49, 4166463), (147, 1388821), (199, 1025913), (343, 595209), (597, 341971), (997, 204771), (1029, 198403), (1393, 146559), (2991, 68257), (4179, 48853), (6979, 29253), (9751, 20937)]