820219137

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{42461}}^1$

素因数の和:42648

約数の個数: 16

約数和(自身を含む): 1125073152

約数和(自身を除く): 304854015

約数列:

[1, 3, 47, 137, 141, 411, 6439, 19317, 42461, 127383, 1995667, 5817157, 5987001, 17451471, 273406379, 820219137]

約数ペア:

[(1, 820219137), (3, 273406379), (47, 17451471), (137, 5987001), (141, 5817157), (411, 1995667), (6439, 127383), (19317, 42461)]