28369683

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5016

約数の個数: 20

約数和(自身を含む): 42985008

約数和(自身を除く): 14615325

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4933, 5751, 14799, 44397, 133191, 350243, 399573, 1050729, 3152187, 9456561, 28369683]

約数ペア:

[(1, 28369683), (3, 9456561), (9, 3152187), (27, 1050729), (71, 399573), (81, 350243), (213, 133191), (639, 44397), (1917, 14799), (4933, 5751)]