81608109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 129676800

約数和(自身を除く): 48068691

約数列:

[1, 3, 11, 17, 33, 43, 51, 129, 187, 199, 289, 473, 561, 597, 731, 867, 1419, 2189, 2193, 3179, 3383, 6567, 8041, 8557, 9537, 10149, 12427, 24123, 25671, 37213, 37281, 57511, 94127, 111639, 136697, 145469, 172533, 282381, 410091, 436407, 632621, 1600159, 1897863, 2472973, 4800477, 7418919, 27202703, 81608109]

約数ペア:

[(1, 81608109), (3, 27202703), (11, 7418919), (17, 4800477), (33, 2472973), (43, 1897863), (51, 1600159), (129, 632621), (187, 436407), (199, 410091), (289, 282381), (473, 172533), (561, 145469), (597, 136697), (731, 111639), (867, 94127), (1419, 57511), (2189, 37281), (2193, 37213), (3179, 25671), (3383, 24123), (6567, 12427), (8041, 10149), (8557, 9537)]