2891019

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 4011392

約数和(自身を除く): 1120373

約数列:

[1, 3, 43, 73, 129, 219, 307, 921, 3139, 9417, 13201, 22411, 39603, 67233, 963673, 2891019]

約数ペア:

[(1, 2891019), (3, 963673), (43, 67233), (73, 39603), (129, 22411), (219, 13201), (307, 9417), (921, 3139)]