28186353

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 45386880

約数和(自身を除く): 17200527

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 613, 1179, 1703, 1839, 3537, 5109, 5517, 7969, 15327, 16551, 23907, 45981, 71721, 80303, 215163, 240909, 722727, 1043939, 2168181, 3131817, 9395451, 28186353]

約数ペア:

[(1, 28186353), (3, 9395451), (9, 3131817), (13, 2168181), (27, 1043939), (39, 722727), (117, 240909), (131, 215163), (351, 80303), (393, 71721), (613, 45981), (1179, 23907), (1703, 16551), (1839, 15327), (3537, 7969), (5109, 5517)]