2097543

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 3429120

約数和(自身を除く): 1331577

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 751, 931, 2253, 2793, 5257, 14269, 15771, 36799, 42807, 99883, 110397, 299649, 699181, 2097543]

約数ペア:

[(1, 2097543), (3, 699181), (7, 299649), (19, 110397), (21, 99883), (49, 42807), (57, 36799), (133, 15771), (147, 14269), (399, 5257), (751, 2793), (931, 2253)]