28280565

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8609}}^1$

素因数の和:8693

約数の個数: 24

約数和(自身を含む): 49696920

約数和(自身を除く): 21416355

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8609, 25827, 43045, 77481, 129135, 387405, 628457, 1885371, 3142285, 5656113, 9426855, 28280565]

約数ペア:

[(1, 28280565), (3, 9426855), (5, 5656113), (9, 3142285), (15, 1885371), (45, 628457), (73, 387405), (219, 129135), (365, 77481), (657, 43045), (1095, 25827), (3285, 8609)]