28774629

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 46578560

約数和(自身を除く): 17803931

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1123, 1971, 2847, 3369, 8541, 10107, 14599, 25623, 30321, 43797, 81979, 131391, 245937, 394173, 737811, 1065727, 2213433, 3197181, 9591543, 28774629]

約数ペア:

[(1, 28774629), (3, 9591543), (9, 3197181), (13, 2213433), (27, 1065727), (39, 737811), (73, 394173), (117, 245937), (219, 131391), (351, 81979), (657, 43797), (949, 30321), (1123, 25623), (1971, 14599), (2847, 10107), (3369, 8541)]