204080205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{4253}}^1$

素因数の和:4725

約数の個数: 32

約数和(自身を含む): 374079744

約数和(自身を除く): 169999539

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 457, 1371, 2285, 3199, 4253, 6855, 9597, 12759, 15995, 21265, 29771, 47985, 63795, 89313, 148855, 446565, 1943621, 5830863, 9718105, 13605347, 29154315, 40816041, 68026735, 204080205]

約数ペア:

[(1, 204080205), (3, 68026735), (5, 40816041), (7, 29154315), (15, 13605347), (21, 9718105), (35, 5830863), (105, 1943621), (457, 446565), (1371, 148855), (2285, 89313), (3199, 63795), (4253, 47985), (6855, 29771), (9597, 21265), (12759, 15995)]