3109509

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2953}}^1$

素因数の和:2978

約数の個数: 20

約数和(自身を含む): 5004076

約数和(自身を除く): 1894567

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2953, 8859, 26577, 38389, 79731, 115167, 239193, 345501, 1036503, 3109509]

約数ペア:

[(1, 3109509), (3, 1036503), (9, 345501), (13, 239193), (27, 115167), (39, 79731), (81, 38389), (117, 26577), (351, 8859), (1053, 2953)]