1613227

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 2125872

約数和(自身を除く): 512645

約数列:

[1, 7, 11, 41, 49, 73, 77, 287, 451, 511, 539, 803, 2009, 2993, 3157, 3577, 5621, 20951, 22099, 32923, 39347, 146657, 230461, 1613227]

約数ペア:

[(1, 1613227), (7, 230461), (11, 146657), (41, 39347), (49, 32923), (73, 22099), (77, 20951), (287, 5621), (451, 3577), (511, 3157), (539, 2993), (803, 2009)]