28005939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 45335360

約数和(自身を除く): 17329421

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1093, 1971, 2847, 3279, 8541, 9837, 14209, 25623, 29511, 42627, 79789, 127881, 239367, 383643, 718101, 1037257, 2154303, 3111771, 9335313, 28005939]

約数ペア:

[(1, 28005939), (3, 9335313), (9, 3111771), (13, 2154303), (27, 1037257), (39, 718101), (73, 383643), (117, 239367), (219, 127881), (351, 79789), (657, 42627), (949, 29511), (1093, 25623), (1971, 14209), (2847, 9837), (3279, 8541)]