206538549

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{28181}}^1$

素因数の和:28540

約数の個数: 16

約数和(自身を含む): 315638400

約数和(自身を除く): 109099851

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 28181, 84543, 197267, 591801, 9835169, 29505507, 68846183, 206538549]

約数ペア:

[(1, 206538549), (3, 68846183), (7, 29505507), (21, 9835169), (349, 591801), (1047, 197267), (2443, 84543), (7329, 28181)]