513969

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 737280

約数和(自身を除く): 223311

約数列:

[1, 3, 19, 57, 71, 127, 213, 381, 1349, 2413, 4047, 7239, 9017, 27051, 171323, 513969]

約数ペア:

[(1, 513969), (3, 171323), (19, 27051), (57, 9017), (71, 7239), (127, 4047), (213, 2413), (381, 1349)]