199297281

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1\times {\mathrm{1619}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 273326400

約数和(自身を除く): 74029119

約数列:

[1, 3, 37, 111, 1109, 1619, 3327, 4857, 41033, 59903, 123099, 179709, 1795471, 5386413, 66432427, 199297281]

約数ペア:

[(1, 199297281), (3, 66432427), (37, 5386413), (111, 1795471), (1109, 179709), (1619, 123099), (3327, 59903), (4857, 41033)]