28786215

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28643}}^1$

素因数の和:28718

約数の個数: 16

約数和(自身を含む): 46747008

約数和(自身を除く): 17960793

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 28643, 85929, 143215, 429645, 1919081, 5757243, 9595405, 28786215]

約数ペア:

[(1, 28786215), (3, 9595405), (5, 5757243), (15, 1919081), (67, 429645), (201, 143215), (335, 85929), (1005, 28643)]