12999249

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4001}}^1$

素因数の和:4045

約数の個数: 18

約数和(自身を含む): 19821906

約数和(自身を除く): 6822657

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4001, 12003, 36009, 76019, 228057, 684171, 1444361, 4333083, 12999249]

約数ペア:

[(1, 12999249), (3, 4333083), (9, 1444361), (19, 684171), (57, 228057), (171, 76019), (361, 36009), (1083, 12003), (3249, 4001)]