12289521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10477}}^1$

素因数の和:10520

約数の個数: 16

約数和(自身を含む): 18105984

約数和(自身を除く): 5816463

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 10477, 31431, 178109, 240971, 534327, 722913, 4096507, 12289521]

約数ペア:

[(1, 12289521), (3, 4096507), (17, 722913), (23, 534327), (51, 240971), (69, 178109), (391, 31431), (1173, 10477)]