27778545

素因数分解:

$3^6\times 5^1\times {\mathrm{7621}}^1$

素因数の和:7644

約数の個数: 28

約数和(自身を含む): 49985076

約数和(自身を除く): 22206531

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7621, 22863, 38105, 68589, 114315, 205767, 342945, 617301, 1028835, 1851903, 3086505, 5555709, 9259515, 27778545]

約数ペア:

[(1, 27778545), (3, 9259515), (5, 5555709), (9, 3086505), (15, 1851903), (27, 1028835), (45, 617301), (81, 342945), (135, 205767), (243, 114315), (405, 68589), (729, 38105), (1215, 22863), (3645, 7621)]