204999081

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137491}}^1$

素因数の和:137572

約数の個数: 16

約数和(自身を含む): 316781568

約数和(自身を除く): 111782487

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 137491, 412473, 962437, 2887311, 9761861, 29285583, 68333027, 204999081]

約数ペア:

[(1, 204999081), (3, 68333027), (7, 29285583), (21, 9761861), (71, 2887311), (213, 962437), (497, 412473), (1491, 137491)]