215501913

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{29819}}^1$

素因数の和:29909

約数の個数: 24

約数和(自身を含む): 344242080

約数和(自身を除く): 128740167

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 7227, 29819, 89457, 268371, 328009, 984027, 2176787, 2952081, 6530361, 19591083, 23944657, 71833971, 215501913]

約数ペア:

[(1, 215501913), (3, 71833971), (9, 23944657), (11, 19591083), (33, 6530361), (73, 2952081), (99, 2176787), (219, 984027), (657, 328009), (803, 268371), (2409, 89457), (7227, 29819)]