26280387

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 43676256

約数和(自身を除く): 17395869

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 2657, 3297, 7971, 9891, 18599, 23913, 55797, 167391, 417149, 1251447, 2920043, 3754341, 8760129, 26280387]

約数ペア:

[(1, 26280387), (3, 8760129), (7, 3754341), (9, 2920043), (21, 1251447), (63, 417149), (157, 167391), (471, 55797), (1099, 23913), (1413, 18599), (2657, 9891), (3297, 7971)]