664521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 1041600

約数和(自身を除く): 377079

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 1549, 4647, 17039, 20137, 51117, 60411, 221507, 664521]

約数ペア:

[(1, 664521), (3, 221507), (11, 60411), (13, 51117), (33, 20137), (39, 17039), (143, 4647), (429, 1549)]