213320163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{534637}}^1$

素因数の和:534666

約数の個数: 16

約数和(自身を含む): 342168320

約数和(自身を除く): 128848157

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 534637, 1603911, 3742459, 10158103, 11227377, 30474309, 71106721, 213320163]

約数ペア:

[(1, 213320163), (3, 71106721), (7, 30474309), (19, 11227377), (21, 10158103), (57, 3742459), (133, 1603911), (399, 534637)]