16390881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6091}}^1$

素因数の和:6133

約数の個数: 24

約数和(自身を含む): 26609856

約数和(自身を除く): 10218975

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 6091, 18273, 54819, 79183, 140093, 237549, 420279, 712647, 1260837, 1821209, 5463627, 16390881]

約数ペア:

[(1, 16390881), (3, 5463627), (9, 1821209), (13, 1260837), (23, 712647), (39, 420279), (69, 237549), (117, 140093), (207, 79183), (299, 54819), (897, 18273), (2691, 6091)]