208290771

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{197807}}^1$

素因数の和:197832

約数の個数: 20

約数和(自身を含む): 335086752

約数和(自身を除く): 126795981

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 197807, 593421, 1780263, 2571491, 5340789, 7714473, 16022367, 23143419, 69430257, 208290771]

約数ペア:

[(1, 208290771), (3, 69430257), (9, 23143419), (13, 16022367), (27, 7714473), (39, 5340789), (81, 2571491), (117, 1780263), (351, 593421), (1053, 197807)]