28123173

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4258

約数の個数: 32

約数和(自身を含む): 47241600

約数和(自身を除く): 19118427

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 4217, 6669, 12651, 37953, 54821, 80123, 113859, 164463, 240369, 493389, 721107, 1041599, 1480167, 2163321, 3124797, 9374391, 28123173]

約数ペア:

[(1, 28123173), (3, 9374391), (9, 3124797), (13, 2163321), (19, 1480167), (27, 1041599), (39, 721107), (57, 493389), (117, 240369), (171, 164463), (247, 113859), (351, 80123), (513, 54821), (741, 37953), (2223, 12651), (4217, 6669)]