128568237

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 201873408

約数和(自身を除く): 73305171

約数列:

[1, 3, 7, 21, 43, 129, 173, 301, 519, 823, 903, 1211, 2469, 3633, 5761, 7439, 17283, 22317, 35389, 52073, 106167, 142379, 156219, 247723, 427137, 743169, 996653, 2989959, 6122297, 18366891, 42856079, 128568237]

約数ペア:

[(1, 128568237), (3, 42856079), (7, 18366891), (21, 6122297), (43, 2989959), (129, 996653), (173, 743169), (301, 427137), (519, 247723), (823, 156219), (903, 142379), (1211, 106167), (2469, 52073), (3633, 35389), (5761, 22317), (7439, 17283)]