208538169

素因数分解:

$3^1\times 7^3\times {\mathrm{202661}}^1$

素因数の和:202685

約数の個数: 16

約数和(自身を含む): 324259200

約数和(自身を除く): 115721031

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 202661, 607983, 1418627, 4255881, 9930389, 29791167, 69512723, 208538169]

約数ペア:

[(1, 208538169), (3, 69512723), (7, 29791167), (21, 9930389), (49, 4255881), (147, 1418627), (343, 607983), (1029, 202661)]