248442471

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{20047}}^1$

素因数の和:20082

約数の個数: 28

約数和(自身を含む): 394424352

約数和(自身を除く): 145981881

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393, 20047, 60141, 180423, 340799, 541269, 1022397, 1623807, 3067191, 4871421, 9201573, 14614263, 27604719, 82814157, 248442471]

約数ペア:

[(1, 248442471), (3, 82814157), (9, 27604719), (17, 14614263), (27, 9201573), (51, 4871421), (81, 3067191), (153, 1623807), (243, 1022397), (459, 541269), (729, 340799), (1377, 180423), (4131, 60141), (12393, 20047)]