81676881

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{63463}}^1$

素因数の和:63493

約数の個数: 24

約数和(自身を含む): 138605376

約数和(自身を除く): 56928495

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 63463, 190389, 571167, 698093, 825019, 2094279, 2475057, 6282837, 7425171, 9075209, 27225627, 81676881]

約数ペア:

[(1, 81676881), (3, 27225627), (9, 9075209), (11, 7425171), (13, 6282837), (33, 2475057), (39, 2094279), (99, 825019), (117, 698093), (143, 571167), (429, 190389), (1287, 63463)]