812385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 1609920

約数和(自身を除く): 797535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 2579, 7737, 12895, 18053, 23211, 38685, 54159, 90265, 116055, 162477, 270795, 812385]

約数ペア:

[(1, 812385), (3, 270795), (5, 162477), (7, 116055), (9, 90265), (15, 54159), (21, 38685), (35, 23211), (45, 18053), (63, 12895), (105, 7737), (315, 2579)]