27720357

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1997}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 42325632

約数和(自身を除く): 14605275

約数列:

[1, 3, 7, 21, 661, 1983, 1997, 4627, 5991, 13881, 13979, 41937, 1320017, 3960051, 9240119, 27720357]

約数ペア:

[(1, 27720357), (3, 9240119), (7, 3960051), (21, 1320017), (661, 41937), (1983, 13979), (1997, 13881), (4627, 5991)]