1421709

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 1976832

約数和(自身を除く): 555123

約数列:

[1, 3, 43, 103, 107, 129, 309, 321, 4429, 4601, 11021, 13287, 13803, 33063, 473903, 1421709]

約数ペア:

[(1, 1421709), (3, 473903), (43, 33063), (103, 13803), (107, 13287), (129, 11021), (309, 4601), (321, 4429)]