51399999

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{17359}}^1$

素因数の和:17419

約数の個数: 24

約数和(自身を含む): 86661120

約数和(自身を除く): 35261121

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 17359, 52077, 121513, 156231, 364539, 815873, 1093617, 2447619, 5711111, 7342857, 17133333, 51399999]

約数ペア:

[(1, 51399999), (3, 17133333), (7, 7342857), (9, 5711111), (21, 2447619), (47, 1093617), (63, 815873), (141, 364539), (329, 156231), (423, 121513), (987, 52077), (2961, 17359)]