1261476721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1\times {\mathrm{1327}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 1348185600

約数和(自身を除く): 86708879

約数列:

[1, 17, 199, 281, 1327, 3383, 4777, 22559, 55919, 264073, 372887, 950623, 4489241, 6339079, 74204513, 1261476721]

約数ペア:

[(1, 1261476721), (17, 74204513), (199, 6339079), (281, 4489241), (1327, 950623), (3383, 372887), (4777, 264073), (22559, 55919)]