51490551

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129049}}^1$

素因数の和:129078

約数の個数: 16

約数和(自身を含む): 82592000

約数和(自身を除く): 31101449

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 129049, 387147, 903343, 2451931, 2710029, 7355793, 17163517, 51490551]

約数ペア:

[(1, 51490551), (3, 17163517), (7, 7355793), (19, 2710029), (21, 2451931), (57, 903343), (133, 387147), (399, 129049)]