28561281

素因数分解:

$3^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1811}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 43603968

約数和(自身を除く): 15042687

約数列:

[1, 3, 7, 21, 751, 1811, 2253, 5257, 5433, 12677, 15771, 38031, 1360061, 4080183, 9520427, 28561281]

約数ペア:

[(1, 28561281), (3, 9520427), (7, 4080183), (21, 1360061), (751, 38031), (1811, 15771), (2253, 12677), (5257, 5433)]