206974887

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{209701}}^1$

素因数の和:209758

約数の個数: 16

約数和(自身を含む): 322102272

約数和(自身を除く): 115127385

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 209701, 629103, 1467907, 4403721, 9855947, 29567841, 68991629, 206974887]

約数ペア:

[(1, 206974887), (3, 68991629), (7, 29567841), (21, 9855947), (47, 4403721), (141, 1467907), (329, 629103), (987, 209701)]