28644147

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3271}}^1$

素因数の和:3423

約数の個数: 24

約数和(自身を含む): 47640320

約数和(自身を除く): 18996173

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3271, 8757, 9813, 22897, 29439, 68691, 206073, 454669, 1364007, 3182683, 4092021, 9548049, 28644147]

約数ペア:

[(1, 28644147), (3, 9548049), (7, 4092021), (9, 3182683), (21, 1364007), (63, 454669), (139, 206073), (417, 68691), (973, 29439), (1251, 22897), (2919, 9813), (3271, 8757)]