78412719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{30859}}^1$

素因数の和:30891

約数の個数: 24

約数和(自身を含む): 131340160

約数和(自身を除く): 52927441

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 30859, 92577, 216013, 339449, 648039, 1018347, 2376143, 3733939, 7128429, 11201817, 26137573, 78412719]

約数ペア:

[(1, 78412719), (3, 26137573), (7, 11201817), (11, 7128429), (21, 3733939), (33, 2376143), (77, 1018347), (121, 648039), (231, 339449), (363, 216013), (847, 92577), (2541, 30859)]