218316669

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 337454400

約数和(自身を除く): 119137731

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 289, 323, 457, 493, 551, 867, 969, 1371, 1479, 1653, 5491, 7769, 8381, 8683, 9367, 13253, 16473, 23307, 25143, 26049, 28101, 39759, 132073, 147611, 159239, 225301, 251807, 396219, 442833, 477717, 675903, 755421, 2509387, 3830117, 4280719, 7528161, 11490351, 12842157, 72772223, 218316669]

約数ペア:

[(1, 218316669), (3, 72772223), (17, 12842157), (19, 11490351), (29, 7528161), (51, 4280719), (57, 3830117), (87, 2509387), (289, 755421), (323, 675903), (457, 477717), (493, 442833), (551, 396219), (867, 251807), (969, 225301), (1371, 159239), (1479, 147611), (1653, 132073), (5491, 39759), (7769, 28101), (8381, 26049), (8683, 25143), (9367, 23307), (13253, 16473)]