16419291

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3929}}^1$

素因数の和:4138

約数の個数: 16

約数和(自身を含む): 25152000

約数和(自身を除く): 8732709

約数列:

[1, 3, 7, 21, 199, 597, 1393, 3929, 4179, 11787, 27503, 82509, 781871, 2345613, 5473097, 16419291]

約数ペア:

[(1, 16419291), (3, 5473097), (7, 2345613), (21, 781871), (199, 82509), (597, 27503), (1393, 11787), (3929, 4179)]