208040007

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{19463}}^1$

素因数の和:19982

約数の個数: 16

約数和(自身を含む): 317652480

約数和(自身を除く): 109612473

約数列:

[1, 3, 7, 21, 509, 1527, 3563, 10689, 19463, 58389, 136241, 408723, 9906667, 29720001, 69346669, 208040007]

約数ペア:

[(1, 208040007), (3, 69346669), (7, 29720001), (21, 9906667), (509, 408723), (1527, 136241), (3563, 58389), (10689, 19463)]