16856667

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1254

約数の個数: 28

約数和(自身を含む): 26625480

約数和(自身を除く): 9768813

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1217, 1539, 3651, 4617, 10953, 13851, 23123, 32859, 69369, 98577, 208107, 295731, 624321, 887193, 1872963, 5618889, 16856667]

約数ペア:

[(1, 16856667), (3, 5618889), (9, 1872963), (19, 887193), (27, 624321), (57, 295731), (81, 208107), (171, 98577), (243, 69369), (513, 32859), (729, 23123), (1217, 13851), (1539, 10953), (3651, 4617)]