220171809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2579}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 346752000

約数和(自身を除く): 126580191

約数列:

[1, 3, 11, 13, 33, 39, 143, 199, 429, 597, 2189, 2579, 2587, 6567, 7737, 7761, 28369, 28457, 33527, 85107, 85371, 100581, 368797, 513221, 1106391, 1539663, 5645431, 6671873, 16936293, 20015619, 73390603, 220171809]

約数ペア:

[(1, 220171809), (3, 73390603), (11, 20015619), (13, 16936293), (33, 6671873), (39, 5645431), (143, 1539663), (199, 1106391), (429, 513221), (597, 368797), (2189, 100581), (2579, 85371), (2587, 85107), (6567, 33527), (7737, 28457), (7761, 28369)]