320475519

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{391301}}^1$

素因数の和:391327

約数の個数: 24

約数和(自身を含む): 569735712

約数和(自身を除く): 249260193

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 391301, 1173903, 2739107, 3521709, 5086913, 8217321, 15260739, 24651963, 35608391, 45782217, 106825173, 320475519]

約数ペア:

[(1, 320475519), (3, 106825173), (7, 45782217), (9, 35608391), (13, 24651963), (21, 15260739), (39, 8217321), (63, 5086913), (91, 3521709), (117, 2739107), (273, 1173903), (819, 391301)]