28007985

素因数分解:

$3^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1433}}^1$

素因数の和:2744

約数の個数: 16

約数和(自身を含む): 44878464

約数和(自身を除く): 16870479

約数列:

[1, 3, 5, 15, 1303, 1433, 3909, 4299, 6515, 7165, 19545, 21495, 1867199, 5601597, 9335995, 28007985]

約数ペア:

[(1, 28007985), (3, 9335995), (5, 5601597), (15, 1867199), (1303, 21495), (1433, 19545), (3909, 7165), (4299, 6515)]