55570921

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 68129600

約数和(自身を除く): 12558679

約数列:

[1, 7, 23, 43, 161, 301, 349, 529, 989, 2443, 3703, 6923, 8027, 15007, 22747, 56189, 105049, 159229, 184621, 345161, 1292347, 2416127, 7938703, 55570921]

約数ペア:

[(1, 55570921), (7, 7938703), (23, 2416127), (43, 1292347), (161, 345161), (301, 184621), (349, 159229), (529, 105049), (989, 56189), (2443, 22747), (3703, 15007), (6923, 8027)]