17681319

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 26838240

約数和(自身を除く): 9156921

約数列:

[1, 3, 9, 23, 69, 207, 229, 373, 687, 1119, 2061, 3357, 5267, 8579, 15801, 25737, 47403, 77211, 85417, 256251, 768753, 1964591, 5893773, 17681319]

約数ペア:

[(1, 17681319), (3, 5893773), (9, 1964591), (23, 768753), (69, 256251), (207, 85417), (229, 77211), (373, 47403), (687, 25737), (1119, 15801), (2061, 8579), (3357, 5267)]