2891721

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5987}}^1$

素因数の和:6020

約数の個数: 16

約数和(自身を含む): 4598784

約数和(自身を除く): 1707063

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 5987, 17961, 41909, 125727, 137701, 413103, 963907, 2891721]

約数ペア:

[(1, 2891721), (3, 963907), (7, 413103), (21, 137701), (23, 125727), (69, 41909), (161, 17961), (483, 5987)]