81356067

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40903}}^1$

素因数の和:40939

約数の個数: 24

約数和(自身を含む): 134001504

約数和(自身を除く): 52645437

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 40903, 122709, 368127, 531739, 695351, 1595217, 2086053, 4785651, 6258159, 9039563, 27118689, 81356067]

約数ペア:

[(1, 81356067), (3, 27118689), (9, 9039563), (13, 6258159), (17, 4785651), (39, 2086053), (51, 1595217), (117, 695351), (153, 531739), (221, 368127), (663, 122709), (1989, 40903)]