251498685

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{2207}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 412065792

約数和(自身を除く): 160567107

約数列:

[1, 3, 5, 15, 71, 107, 213, 321, 355, 535, 1065, 1605, 2207, 6621, 7597, 11035, 22791, 33105, 37985, 113955, 156697, 236149, 470091, 708447, 783485, 1180745, 2350455, 3542235, 16766579, 50299737, 83832895, 251498685]

約数ペア:

[(1, 251498685), (3, 83832895), (5, 50299737), (15, 16766579), (71, 3542235), (107, 2350455), (213, 1180745), (321, 783485), (355, 708447), (535, 470091), (1065, 236149), (1605, 156697), (2207, 113955), (6621, 37985), (7597, 33105), (11035, 22791)]