13209889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7459}}^1$

素因数の和:7500

約数の個数: 16

約数和(自身を含む): 17187840

約数和(自身を除く): 3977951

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 7459, 52213, 82049, 171557, 574343, 1200899, 1887127, 13209889]

約数ペア:

[(1, 13209889), (7, 1887127), (11, 1200899), (23, 574343), (77, 171557), (161, 82049), (253, 52213), (1771, 7459)]