207915423

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 323917056

約数和(自身を除く): 116001633

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 361, 391, 437, 491, 969, 1083, 1173, 1311, 1473, 6137, 7429, 8303, 8347, 9329, 11293, 18411, 22287, 24909, 25041, 27987, 33879, 141151, 158593, 177251, 191981, 214567, 423453, 475779, 531753, 575943, 643701, 3013267, 3647639, 4076773, 9039801, 10942917, 12230319, 69305141, 207915423]

約数ペア:

[(1, 207915423), (3, 69305141), (17, 12230319), (19, 10942917), (23, 9039801), (51, 4076773), (57, 3647639), (69, 3013267), (323, 643701), (361, 575943), (391, 531753), (437, 475779), (491, 423453), (969, 214567), (1083, 191981), (1173, 177251), (1311, 158593), (1473, 141151), (6137, 33879), (7429, 27987), (8303, 25041), (8347, 24909), (9329, 22287), (11293, 18411)]