208484739

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{406403}}^1$

素因数の和:406431

約数の個数: 16

約数和(自身を含む): 325123200

約数和(自身を除く): 116638461

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 406403, 1219209, 3657627, 7721657, 10972881, 23164971, 69494913, 208484739]

約数ペア:

[(1, 208484739), (3, 69494913), (9, 23164971), (19, 10972881), (27, 7721657), (57, 3657627), (171, 1219209), (513, 406403)]