2989341

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 4552704

約数和(自身を除く): 1563363

約数列:

[1, 3, 9, 37, 47, 111, 141, 191, 333, 423, 573, 1719, 1739, 5217, 7067, 8977, 15651, 21201, 26931, 63603, 80793, 332149, 996447, 2989341]

約数ペア:

[(1, 2989341), (3, 996447), (9, 332149), (37, 80793), (47, 63603), (111, 26931), (141, 21201), (191, 15651), (333, 8977), (423, 7067), (573, 5217), (1719, 1739)]