2728209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 4055040

約数和(自身を除く): 1326831

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 1759, 5277, 19349, 58047, 82673, 248019, 909403, 2728209]

約数ペア:

[(1, 2728209), (3, 909403), (11, 248019), (33, 82673), (47, 58047), (141, 19349), (517, 5277), (1551, 1759)]