204428775

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{20807}}^1$

素因数の和:20951

約数の個数: 24

約数和(自身を含む): 340585344

約数和(自身を除く): 136156569

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 20807, 62421, 104035, 312105, 520175, 1560525, 2725717, 8177151, 13628585, 40885755, 68142925, 204428775]

約数ペア:

[(1, 204428775), (3, 68142925), (5, 40885755), (15, 13628585), (25, 8177151), (75, 2725717), (131, 1560525), (393, 520175), (655, 312105), (1965, 104035), (3275, 62421), (9825, 20807)]