201821823

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{11909}}^1$

素因数の和:12191

約数の個数: 24

約数和(自身を含む): 334432800

約数和(自身を除く): 132610977

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 1883, 2421, 5649, 11909, 16947, 35727, 83363, 107181, 250089, 750267, 3203521, 9610563, 22424647, 28831689, 67273941, 201821823]

約数ペア:

[(1, 201821823), (3, 67273941), (7, 28831689), (9, 22424647), (21, 9610563), (63, 3203521), (269, 750267), (807, 250089), (1883, 107181), (2421, 83363), (5649, 35727), (11909, 16947)]