205122057

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{238237}}^1$

素因数の和:238288

約数の個数: 16

約数和(自身を含む): 320191872

約数和(自身を除く): 115069815

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 238237, 714711, 1667659, 5002977, 9767717, 29303151, 68374019, 205122057]

約数ペア:

[(1, 205122057), (3, 68374019), (7, 29303151), (21, 9767717), (41, 5002977), (123, 1667659), (287, 714711), (861, 238237)]