15985863

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 8897337

約数列:

[1, 3, 9, 27, 31, 71, 93, 213, 269, 279, 639, 807, 837, 1917, 2201, 2421, 6603, 7263, 8339, 19099, 19809, 25017, 57297, 59427, 75051, 171891, 225153, 515673, 592069, 1776207, 5328621, 15985863]

約数ペア:

[(1, 15985863), (3, 5328621), (9, 1776207), (27, 592069), (31, 515673), (71, 225153), (93, 171891), (213, 75051), (269, 59427), (279, 57297), (639, 25017), (807, 19809), (837, 19099), (1917, 8339), (2201, 7263), (2421, 6603)]