28008255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 49190400

約数和(自身を除く): 21182145

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 853, 995, 2189, 2559, 2985, 4265, 6567, 9383, 10945, 12795, 28149, 32835, 46915, 140745, 169747, 509241, 848735, 1867217, 2546205, 5601651, 9336085, 28008255]

約数ペア:

[(1, 28008255), (3, 9336085), (5, 5601651), (11, 2546205), (15, 1867217), (33, 848735), (55, 509241), (165, 169747), (199, 140745), (597, 46915), (853, 32835), (995, 28149), (2189, 12795), (2559, 10945), (2985, 9383), (4265, 6567)]