2193387

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 3491136

約数和(自身を除く): 1297749

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 347, 903, 1041, 2107, 2429, 6321, 7287, 14921, 17003, 44763, 51009, 104447, 313341, 731129, 2193387]

約数ペア:

[(1, 2193387), (3, 731129), (7, 313341), (21, 104447), (43, 51009), (49, 44763), (129, 17003), (147, 14921), (301, 7287), (347, 6321), (903, 2429), (1041, 2107)]