199956981

素因数分解:

$3^1\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{4931}}^1$

素因数の和:6872

約数の個数: 16

約数和(自身を含む): 304915968

約数和(自身を除く): 104958987

約数列:

[1, 3, 7, 21, 1931, 4931, 5793, 13517, 14793, 34517, 40551, 103551, 9521761, 28565283, 66652327, 199956981]

約数ペア:

[(1, 199956981), (3, 66652327), (7, 28565283), (21, 9521761), (1931, 103551), (4931, 40551), (5793, 34517), (13517, 14793)]