15490321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 20355840

約数和(自身を除く): 4865519

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 991, 1421, 2233, 6937, 10901, 15631, 28739, 48559, 76307, 201173, 316129, 534149, 1408211, 2212903, 15490321]

約数ペア:

[(1, 15490321), (7, 2212903), (11, 1408211), (29, 534149), (49, 316129), (77, 201173), (203, 76307), (319, 48559), (539, 28739), (991, 15631), (1421, 10901), (2233, 6937)]