13408623

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4127}}^1$

素因数の和:4171

約数の個数: 18

約数和(自身を含む): 20445984

約数和(自身を除く): 7037361

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4127, 12381, 37143, 78413, 235239, 705717, 1489847, 4469541, 13408623]

約数ペア:

[(1, 13408623), (3, 4469541), (9, 1489847), (19, 705717), (57, 235239), (171, 78413), (361, 37143), (1083, 12381), (3249, 4127)]