51280929

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12149}}^1$

素因数の和:12229

約数の個数: 24

約数和(自身を含む): 85924800

約数和(自身を除く): 34643871

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 12149, 36447, 85043, 109341, 255129, 765387, 813983, 2441949, 5697881, 7325847, 17093643, 51280929]

約数ペア:

[(1, 51280929), (3, 17093643), (7, 7325847), (9, 5697881), (21, 2441949), (63, 813983), (67, 765387), (201, 255129), (469, 109341), (603, 85043), (1407, 36447), (4221, 12149)]