28426767

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3607}}^1$

素因数の和:3718

約数の個数: 16

約数和(自身を含む): 39485952

約数和(自身を除く): 11059185

約数列:

[1, 3, 37, 71, 111, 213, 2627, 3607, 7881, 10821, 133459, 256097, 400377, 768291, 9475589, 28426767]

約数ペア:

[(1, 28426767), (3, 9475589), (37, 768291), (71, 400377), (111, 256097), (213, 133459), (2627, 10821), (3607, 7881)]