199917486531

素因数分解:

$3^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{3138767}}^1$

素因数の和:3139120

約数の個数: 32

約数和(自身を含む): 339489146880

約数和(自身を除く): 139571660349

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 337, 1011, 2359, 3033, 7077, 9099, 21231, 63693, 3138767, 9416301, 21971369, 28248903, 65914107, 84746709, 197742321, 593226963, 1057764479, 3173293437, 7404351353, 9519880311, 22213054059, 28559640933, 66639162177, 199917486531]

約数ペア:

[(1, 199917486531), (3, 66639162177), (7, 28559640933), (9, 22213054059), (21, 9519880311), (27, 7404351353), (63, 3173293437), (189, 1057764479), (337, 593226963), (1011, 197742321), (2359, 84746709), (3033, 65914107), (7077, 28248903), (9099, 21971369), (21231, 9416301), (63693, 3138767)]