28213299

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{7013}}^1$

素因数の和:7171

約数の個数: 16

約数和(自身を含む): 42084000

約数和(自身を除く): 13870701

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 7013, 21039, 63117, 189351, 1044937, 3134811, 9404433, 28213299]

約数ペア:

[(1, 28213299), (3, 9404433), (9, 3134811), (27, 1044937), (149, 189351), (447, 63117), (1341, 21039), (4023, 7013)]