15558739

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 19312128

約数和(自身を除く): 3753389

約数列:

[1, 7, 19, 47, 131, 133, 329, 361, 893, 917, 2489, 2527, 6157, 6251, 16967, 17423, 43099, 47291, 116983, 118769, 331037, 818881, 2222677, 15558739]

約数ペア:

[(1, 15558739), (7, 2222677), (19, 818881), (47, 331037), (131, 118769), (133, 116983), (329, 47291), (361, 43099), (893, 17423), (917, 16967), (2489, 6251), (2527, 6157)]