39841347

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7681}}^1$

素因数の和:7723

約数の個数: 32

約数和(自身を含む): 68830720

約数和(自身を除く): 28989373

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 7681, 23043, 53767, 99853, 145939, 161301, 299559, 437817, 698971, 1021573, 1897207, 2096913, 3064719, 5691621, 13280449, 39841347]

約数ペア:

[(1, 39841347), (3, 13280449), (7, 5691621), (13, 3064719), (19, 2096913), (21, 1897207), (39, 1021573), (57, 698971), (91, 437817), (133, 299559), (247, 161301), (273, 145939), (399, 99853), (741, 53767), (1729, 23043), (5187, 7681)]