209218947

素因数分解:

$3^1\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{4649}}^1$

素因数の和:6802

約数の個数: 16

約数和(自身を含む): 319027200

約数和(自身を除く): 109808253

約数列:

[1, 3, 7, 21, 2143, 4649, 6429, 13947, 15001, 32543, 45003, 97629, 9962807, 29888421, 69739649, 209218947]

約数ペア:

[(1, 209218947), (3, 69739649), (7, 29888421), (21, 9962807), (2143, 97629), (4649, 45003), (6429, 32543), (13947, 15001)]