204512025

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{16729}}^1$

素因数の和:16905

約数の個数: 24

約数和(自身を含む): 340221280

約数和(自身を除く): 135709255

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2445, 4075, 12225, 16729, 50187, 83645, 250935, 418225, 1254675, 2726827, 8180481, 13634135, 40902405, 68170675, 204512025]

約数ペア:

[(1, 204512025), (3, 68170675), (5, 40902405), (15, 13634135), (25, 8180481), (75, 2726827), (163, 1254675), (489, 418225), (815, 250935), (2445, 83645), (4075, 50187), (12225, 16729)]