81530865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139369}}^1$

素因数の和:139393

約数の個数: 24

約数和(自身を含む): 152192040

約数和(自身を除く): 70661175

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 139369, 418107, 696845, 1254321, 1811797, 2090535, 5435391, 6271605, 9058985, 16306173, 27176955, 81530865]

約数ペア:

[(1, 81530865), (3, 27176955), (5, 16306173), (9, 9058985), (13, 6271605), (15, 5435391), (39, 2090535), (45, 1811797), (65, 1254321), (117, 696845), (195, 418107), (585, 139369)]