189310209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 285120000

約数和(自身を除く): 95809791

約数列:

[1, 3, 11, 33, 43, 89, 129, 267, 473, 979, 1419, 1499, 2937, 3827, 4497, 11481, 16489, 42097, 49467, 64457, 126291, 133411, 193371, 400233, 709027, 1467521, 2127081, 4402563, 5736673, 17210019, 63103403, 189310209]

約数ペア:

[(1, 189310209), (3, 63103403), (11, 17210019), (33, 5736673), (43, 4402563), (89, 2127081), (129, 1467521), (267, 709027), (473, 400233), (979, 193371), (1419, 133411), (1499, 126291), (2937, 64457), (3827, 49467), (4497, 42097), (11481, 16489)]