2790475

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 18

約数和(自身を含む): 3634316

約数和(自身を除く): 843841

約数列:

[1, 5, 23, 25, 115, 211, 529, 575, 1055, 2645, 4853, 5275, 13225, 24265, 111619, 121325, 558095, 2790475]

約数ペア:

[(1, 2790475), (5, 558095), (23, 121325), (25, 111619), (115, 24265), (211, 13225), (529, 5275), (575, 4853), (1055, 2645)]