27801969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4721}}^1$

素因数の和:4888

約数の個数: 16

約数和(自身を含む): 40193664

約数和(自身を除く): 12391695

約数列:

[1, 3, 13, 39, 151, 453, 1963, 4721, 5889, 14163, 61373, 184119, 712871, 2138613, 9267323, 27801969]

約数ペア:

[(1, 27801969), (3, 9267323), (13, 2138613), (39, 712871), (151, 184119), (453, 61373), (1963, 14163), (4721, 5889)]