8780109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 14441280

約数和(自身を除く): 5661171

約数列:

[1, 3, 13, 17, 19, 39, 41, 51, 57, 123, 221, 247, 289, 323, 533, 663, 697, 741, 779, 867, 969, 1599, 2091, 2337, 3757, 4199, 5491, 9061, 10127, 11271, 11849, 12597, 13243, 16473, 27183, 30381, 35547, 39729, 71383, 154037, 172159, 214149, 225131, 462111, 516477, 675393, 2926703, 8780109]

約数ペア:

[(1, 8780109), (3, 2926703), (13, 675393), (17, 516477), (19, 462111), (39, 225131), (41, 214149), (51, 172159), (57, 154037), (123, 71383), (221, 39729), (247, 35547), (289, 30381), (323, 27183), (533, 16473), (663, 13243), (697, 12597), (741, 11849), (779, 11271), (867, 10127), (969, 9061), (1599, 5491), (2091, 4199), (2337, 3757)]