16020945

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4877}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 28155816

約数和(自身を除く): 12134871

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 4877, 14631, 24385, 43893, 73155, 219465, 356021, 1068063, 1780105, 3204189, 5340315, 16020945]

約数ペア:

[(1, 16020945), (3, 5340315), (5, 3204189), (9, 1780105), (15, 1068063), (45, 356021), (73, 219465), (219, 73155), (365, 43893), (657, 24385), (1095, 14631), (3285, 4877)]