1278902355

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1\times {\mathrm{761}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 2062886400

約数和(自身を除く): 783984045

約数列:

[1, 3, 5, 15, 199, 563, 597, 761, 995, 1689, 2283, 2815, 2985, 3805, 8445, 11415, 112037, 151439, 336111, 428443, 454317, 560185, 757195, 1285329, 1680555, 2142215, 2271585, 6426645, 85260157, 255780471, 426300785, 1278902355]

約数ペア:

[(1, 1278902355), (3, 426300785), (5, 255780471), (15, 85260157), (199, 6426645), (563, 2271585), (597, 2142215), (761, 1680555), (995, 1285329), (1689, 757195), (2283, 560185), (2815, 454317), (2985, 428443), (3805, 336111), (8445, 151439), (11415, 112037)]