2782815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 5391360

約数和(自身を除く): 2608545

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1559, 1785, 4677, 7795, 10913, 23385, 26503, 32739, 54565, 79509, 132515, 163695, 185521, 397545, 556563, 927605, 2782815]

約数ペア:

[(1, 2782815), (3, 927605), (5, 556563), (7, 397545), (15, 185521), (17, 163695), (21, 132515), (35, 79509), (51, 54565), (85, 32739), (105, 26503), (119, 23385), (255, 10913), (357, 7795), (595, 4677), (1559, 1785)]