28439733

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1789}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 43418240

約数和(自身を除く): 14978507

約数列:

[1, 3, 7, 21, 757, 1789, 2271, 5299, 5367, 12523, 15897, 37569, 1354273, 4062819, 9479911, 28439733]

約数ペア:

[(1, 28439733), (3, 9479911), (7, 4062819), (21, 1354273), (757, 37569), (1789, 15897), (2271, 12523), (5299, 5367)]