9997887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 14902272

約数和(自身を除く): 4904385

約数列:

[1, 3, 17, 43, 47, 51, 97, 129, 141, 291, 731, 799, 1649, 2021, 2193, 2397, 4171, 4559, 4947, 6063, 12513, 13677, 34357, 70907, 77503, 103071, 196037, 212721, 232509, 588111, 3332629, 9997887]

約数ペア:

[(1, 9997887), (3, 3332629), (17, 588111), (43, 232509), (47, 212721), (51, 196037), (97, 103071), (129, 77503), (141, 70907), (291, 34357), (731, 13677), (799, 12513), (1649, 6063), (2021, 4947), (2193, 4559), (2397, 4171)]