201991959

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{1327}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 314688192

約数和(自身を除く): 112696233

約数列:

[1, 3, 9, 13, 39, 117, 1301, 1327, 3903, 3981, 11709, 11943, 16913, 17251, 50739, 51753, 152217, 155259, 1726427, 5179281, 15537843, 22443551, 67330653, 201991959]

約数ペア:

[(1, 201991959), (3, 67330653), (9, 22443551), (13, 15537843), (39, 5179281), (117, 1726427), (1301, 155259), (1327, 152217), (3903, 51753), (3981, 50739), (11709, 17251), (11943, 16913)]