28321041489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2248237}}^1$

素因数の和:2248289

約数の個数: 32

約数和(自身を含む): 45324478080

約数和(自身を除く): 17003436591

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 2248237, 6744711, 29227081, 38220029, 42716503, 87681243, 114660087, 128149509, 496860377, 555314539, 726180551, 1490581131, 1665943617, 2178541653, 9440347163, 28321041489]

約数ペア:

[(1, 28321041489), (3, 9440347163), (13, 2178541653), (17, 1665943617), (19, 1490581131), (39, 726180551), (51, 555314539), (57, 496860377), (221, 128149509), (247, 114660087), (323, 87681243), (663, 42716503), (741, 38220029), (969, 29227081), (4199, 6744711), (12597, 2248237)]