28497693

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2053}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 43511936

約数和(自身を除く): 15014243

約数列:

[1, 3, 7, 21, 661, 1983, 2053, 4627, 6159, 13881, 14371, 43113, 1357033, 4071099, 9499231, 28497693]

約数ペア:

[(1, 28497693), (3, 9499231), (7, 4071099), (21, 1357033), (661, 43113), (1983, 14371), (2053, 13881), (4627, 6159)]