2591739

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 3955952

約数和(自身を除く): 1364213

約数列:

[1, 3, 9, 37, 43, 111, 129, 181, 333, 387, 543, 1591, 1629, 4773, 6697, 7783, 14319, 20091, 23349, 60273, 70047, 287971, 863913, 2591739]

約数ペア:

[(1, 2591739), (3, 863913), (9, 287971), (37, 70047), (43, 60273), (111, 23349), (129, 20091), (181, 14319), (333, 7783), (387, 6697), (543, 4773), (1591, 1629)]