18090495

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5507}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 31792176

約数和(自身を除く): 13701681

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 5507, 16521, 27535, 49563, 82605, 247815, 402011, 1206033, 2010055, 3618099, 6030165, 18090495]

約数ペア:

[(1, 18090495), (3, 6030165), (5, 3618099), (9, 2010055), (15, 1206033), (45, 402011), (73, 247815), (219, 82605), (365, 49563), (657, 27535), (1095, 16521), (3285, 5507)]