206375211

素因数分解:

$3^2\times 7^3\times {\mathrm{66853}}^1$

素因数の和:66880

約数の個数: 24

約数和(自身を含む): 347640800

約数和(自身を除く): 141265589

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 66853, 200559, 467971, 601677, 1403913, 3275797, 4211739, 9827391, 22930579, 29482173, 68791737, 206375211]

約数ペア:

[(1, 206375211), (3, 68791737), (7, 29482173), (9, 22930579), (21, 9827391), (49, 4211739), (63, 3275797), (147, 1403913), (343, 601677), (441, 467971), (1029, 200559), (3087, 66853)]