28331805

素因数分解:

$3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3391}}^1$

素因数の和:3956

約数の個数: 16

約数和(自身を含む): 45425664

約数和(自身を除く): 17093859

約数列:

[1, 3, 5, 15, 557, 1671, 2785, 3391, 8355, 10173, 16955, 50865, 1888787, 5666361, 9443935, 28331805]

約数ペア:

[(1, 28331805), (3, 9443935), (5, 5666361), (15, 1888787), (557, 50865), (1671, 16955), (2785, 10173), (3391, 8355)]