28156347

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7159}}^1$

素因数の和:7207

約数の個数: 24

約数和(自身を含む): 44678400

約数和(自身を除く): 16522053

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7159, 21477, 64431, 136021, 164657, 408063, 493971, 1224189, 1481913, 3128483, 9385449, 28156347]

約数ペア:

[(1, 28156347), (3, 9385449), (9, 3128483), (19, 1481913), (23, 1224189), (57, 493971), (69, 408063), (171, 164657), (207, 136021), (437, 64431), (1311, 21477), (3933, 7159)]