12399891

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 19535040

約数和(自身を除く): 7135149

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1259, 1407, 3283, 3777, 8813, 9849, 26439, 61691, 84353, 185073, 253059, 590471, 1771413, 4133297, 12399891]

約数ペア:

[(1, 12399891), (3, 4133297), (7, 1771413), (21, 590471), (49, 253059), (67, 185073), (147, 84353), (201, 61691), (469, 26439), (1259, 9849), (1407, 8813), (3283, 3777)]