16390665

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1907}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 28574208

約数和(自身を除く): 12183543

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 1907, 2865, 5721, 8595, 9535, 17163, 28605, 85815, 364237, 1092711, 1821185, 3278133, 5463555, 16390665]

約数ペア:

[(1, 16390665), (3, 5463555), (5, 3278133), (9, 1821185), (15, 1092711), (45, 364237), (191, 85815), (573, 28605), (955, 17163), (1719, 9535), (1907, 8595), (2865, 5721)]