209406861

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{2833}}^1$

素因数の和:3073

約数の個数: 24

約数和(自身を含む): 311241216

約数和(自身を除く): 101834355

約数列:

[1, 3, 9, 43, 129, 191, 387, 573, 1719, 2833, 8213, 8499, 24639, 25497, 73917, 121819, 365457, 541103, 1096371, 1623309, 4869927, 23267429, 69802287, 209406861]

約数ペア:

[(1, 209406861), (3, 69802287), (9, 23267429), (43, 4869927), (129, 1623309), (191, 1096371), (387, 541103), (573, 365457), (1719, 121819), (2833, 73917), (8213, 25497), (8499, 24639)]