208034547

素因数分解:

$3^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{2141}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 323304912

約数和(自身を除く): 115270365

約数列:

[1, 3, 7, 21, 49, 147, 661, 1983, 2141, 4627, 6423, 13881, 14987, 32389, 44961, 97167, 104909, 314727, 1415201, 4245603, 9906407, 29719221, 69344849, 208034547]

約数ペア:

[(1, 208034547), (3, 69344849), (7, 29719221), (21, 9906407), (49, 4245603), (147, 1415201), (661, 314727), (1983, 104909), (2141, 97167), (4627, 44961), (6423, 32389), (13881, 14987)]