205739619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 295034880

約数和(自身を除く): 89295261

約数列:

[1, 3, 19, 57, 97, 127, 291, 293, 381, 879, 1843, 2413, 5529, 5567, 7239, 12319, 16701, 28421, 36957, 37211, 85263, 111633, 234061, 539999, 702183, 707009, 1619997, 2121027, 3609467, 10828401, 68579873, 205739619]

約数ペア:

[(1, 205739619), (3, 68579873), (19, 10828401), (57, 3609467), (97, 2121027), (127, 1619997), (291, 707009), (293, 702183), (381, 539999), (879, 234061), (1843, 111633), (2413, 85263), (5529, 37211), (5567, 36957), (7239, 28421), (12319, 16701)]