447903

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 16

約数和(自身を含む): 678240

約数和(自身を除く): 230337

約数列:

[1, 3, 9, 27, 53, 159, 313, 477, 939, 1431, 2817, 8451, 16589, 49767, 149301, 447903]

約数ペア:

[(1, 447903), (3, 149301), (9, 49767), (27, 16589), (53, 8451), (159, 2817), (313, 1431), (477, 939)]