388795563

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{15749}}^1$

素因数の和:15979

約数の個数: 24

約数和(自身を含む): 607698000

約数和(自身を除く): 218902437

約数列:

[1, 3, 9, 13, 39, 117, 211, 633, 1899, 2743, 8229, 15749, 24687, 47247, 141741, 204737, 614211, 1842633, 3323039, 9969117, 29907351, 43199507, 129598521, 388795563]

約数ペア:

[(1, 388795563), (3, 129598521), (9, 43199507), (13, 29907351), (39, 9969117), (117, 3323039), (211, 1842633), (633, 614211), (1899, 204737), (2743, 141741), (8229, 47247), (15749, 24687)]