208062561

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{210803}}^1$

素因数の和:210860

約数の個数: 16

約数和(自身を含む): 323794944

約数和(自身を除く): 115732383

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 210803, 632409, 1475621, 4426863, 9907741, 29723223, 69354187, 208062561]

約数ペア:

[(1, 208062561), (3, 69354187), (7, 29723223), (21, 9907741), (47, 4426863), (141, 1475621), (329, 632409), (987, 210803)]