208858497

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{9533}}^1$

素因数の和:9712

約数の個数: 16

約数和(自身を含む): 285257280

約数和(自身を除く): 76398783

約数列:

[1, 3, 67, 109, 201, 327, 7303, 9533, 21909, 28599, 638711, 1039097, 1916133, 3117291, 69619499, 208858497]

約数ペア:

[(1, 208858497), (3, 69619499), (67, 3117291), (109, 1916133), (201, 1039097), (327, 638711), (7303, 28599), (9533, 21909)]