28987413

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106181}}^1$

素因数の和:106204

約数の個数: 16

約数和(自身を含む): 47569536

約数和(自身を除く): 18582123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 106181, 318543, 743267, 1380353, 2229801, 4141059, 9662471, 28987413]

約数ペア:

[(1, 28987413), (3, 9662471), (7, 4141059), (13, 2229801), (21, 1380353), (39, 743267), (91, 318543), (273, 106181)]