216918771

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{29027}}^1$

素因数の和:29130

約数の個数: 16

約数和(自身を含む): 300962304

約数和(自身を除く): 84043533

約数列:

[1, 3, 47, 53, 141, 159, 2491, 7473, 29027, 87081, 1364269, 1538431, 4092807, 4615293, 72306257, 216918771]

約数ペア:

[(1, 216918771), (3, 72306257), (47, 4615293), (53, 4092807), (141, 1538431), (159, 1364269), (2491, 87081), (7473, 29027)]