207821493

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{190837}}^1$

素因数の和:190865

約数の個数: 18

約数和(自身を含む): 329958902

約数和(自身を除く): 122137409

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 190837, 572511, 1717533, 2099207, 6297621, 18892863, 23091277, 69273831, 207821493]

約数ペア:

[(1, 207821493), (3, 69273831), (9, 23091277), (11, 18892863), (33, 6297621), (99, 2099207), (121, 1717533), (363, 572511), (1089, 190837)]