28081155

素因数分解:

$3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3361}}^1$

素因数の和:3926

約数の個数: 16

約数和(自身を含む): 45023904

約数和(自身を除く): 16942749

約数列:

[1, 3, 5, 15, 557, 1671, 2785, 3361, 8355, 10083, 16805, 50415, 1872077, 5616231, 9360385, 28081155]

約数ペア:

[(1, 28081155), (3, 9360385), (5, 5616231), (15, 1872077), (557, 50415), (1671, 16805), (2785, 10083), (3361, 8355)]