128247207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 197925120

約数和(自身を除く): 69677913

約数列:

[1, 3, 11, 19, 33, 57, 137, 209, 411, 627, 1493, 1507, 2603, 4479, 4521, 7809, 16423, 28367, 28633, 49269, 85101, 85899, 204541, 312037, 613623, 936111, 2249951, 3886279, 6749853, 11658837, 42749069, 128247207]

約数ペア:

[(1, 128247207), (3, 42749069), (11, 11658837), (19, 6749853), (33, 3886279), (57, 2249951), (137, 936111), (209, 613623), (411, 312037), (627, 204541), (1493, 85899), (1507, 85101), (2603, 49269), (4479, 28633), (4521, 28367), (7809, 16423)]