204889095

素因数分解:

$3^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 378564480

約数和(自身を除く): 173675385

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 457, 615, 729, 1107, 1215, 1371, 1845, 2187, 2285, 3321, 3645, 4113, 5535, 6855, 9963, 10935, 12339, 16605, 18737, 20565, 29889, 37017, 49815, 56211, 61695, 89667, 93685, 111051, 149445, 168633, 185085, 281055, 333153, 448335, 505899, 555255, 843165, 999459, 1517697, 1665765, 2529495, 4553091, 4997295, 7588485, 13659273, 22765455, 40977819, 68296365, 204889095]

約数ペア:

[(1, 204889095), (3, 68296365), (5, 40977819), (9, 22765455), (15, 13659273), (27, 7588485), (41, 4997295), (45, 4553091), (81, 2529495), (123, 1665765), (135, 1517697), (205, 999459), (243, 843165), (369, 555255), (405, 505899), (457, 448335), (615, 333153), (729, 281055), (1107, 185085), (1215, 168633), (1371, 149445), (1845, 111051), (2187, 93685), (2285, 89667), (3321, 61695), (3645, 56211), (4113, 49815), (5535, 37017), (6855, 29889), (9963, 20565), (10935, 18737), (12339, 16605)]