204485655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 369847296

約数和(自身を除く): 165361641

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 167, 181, 205, 451, 501, 543, 615, 835, 905, 1353, 1837, 1991, 2255, 2505, 2715, 5511, 5973, 6765, 6847, 7421, 9185, 9955, 20541, 22263, 27555, 29865, 30227, 34235, 37105, 75317, 81631, 90681, 102705, 111315, 151135, 225951, 244893, 332497, 376585, 408155, 453405, 997491, 1129755, 1224465, 1239307, 1662485, 3717921, 4987455, 6196535, 13632377, 18589605, 40897131, 68161885, 204485655]

約数ペア:

[(1, 204485655), (3, 68161885), (5, 40897131), (11, 18589605), (15, 13632377), (33, 6196535), (41, 4987455), (55, 3717921), (123, 1662485), (165, 1239307), (167, 1224465), (181, 1129755), (205, 997491), (451, 453405), (501, 408155), (543, 376585), (615, 332497), (835, 244893), (905, 225951), (1353, 151135), (1837, 111315), (1991, 102705), (2255, 90681), (2505, 81631), (2715, 75317), (5511, 37105), (5973, 34235), (6765, 30227), (6847, 29865), (7421, 27555), (9185, 22263), (9955, 20541)]