2621563

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 3294720

約数和(自身を除く): 673157

約数列:

[1, 7, 19, 23, 133, 161, 437, 857, 3059, 5999, 16283, 19711, 113981, 137977, 374509, 2621563]

約数ペア:

[(1, 2621563), (7, 374509), (19, 137977), (23, 113981), (133, 19711), (161, 16283), (437, 5999), (857, 3059)]