9910005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 18768960

約数和(自身を除く): 8858955

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 139, 147, 245, 291, 417, 485, 679, 695, 735, 973, 1455, 2037, 2085, 2919, 3395, 4753, 4865, 6811, 10185, 13483, 14259, 14595, 20433, 23765, 34055, 40449, 67415, 71295, 94381, 102165, 202245, 283143, 471905, 660667, 1415715, 1982001, 3303335, 9910005]

約数ペア:

[(1, 9910005), (3, 3303335), (5, 1982001), (7, 1415715), (15, 660667), (21, 471905), (35, 283143), (49, 202245), (97, 102165), (105, 94381), (139, 71295), (147, 67415), (245, 40449), (291, 34055), (417, 23765), (485, 20433), (679, 14595), (695, 14259), (735, 13483), (973, 10185), (1455, 6811), (2037, 4865), (2085, 4753), (2919, 3395)]