2005657689

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5026711}}^1$

素因数の和:5026740

約数の個数: 16

約数和(自身を含む): 3217095680

約数和(自身を除く): 1211437991

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5026711, 15080133, 35186977, 95507509, 105560931, 286522527, 668552563, 2005657689]

約数ペア:

[(1, 2005657689), (3, 668552563), (7, 286522527), (19, 105560931), (21, 95507509), (57, 35186977), (133, 15080133), (399, 5026711)]