15121347

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 21750336

約数和(自身を除く): 6628989

約数列:

[1, 3, 17, 51, 107, 163, 289, 321, 489, 867, 1819, 2771, 5457, 8313, 17441, 30923, 47107, 52323, 92769, 141321, 296497, 889491, 5040449, 15121347]

約数ペア:

[(1, 15121347), (3, 5040449), (17, 889491), (51, 296497), (107, 141321), (163, 92769), (289, 52323), (321, 47107), (489, 30923), (867, 17441), (1819, 8313), (2771, 5457)]