78564681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223831}}^1$

素因数の和:223853

約数の個数: 16

約数和(自身を含む): 125345920

約数和(自身を除く): 46781239

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 223831, 671493, 2014479, 2909803, 6043437, 8729409, 26188227, 78564681]

約数ペア:

[(1, 78564681), (3, 26188227), (9, 8729409), (13, 6043437), (27, 2909803), (39, 2014479), (117, 671493), (351, 223831)]