87766497

素因数分解:

$3^9\times 7^3\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 80

約数和(自身を含む): 165334400

約数和(自身を除く): 77567903

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 243, 273, 343, 351, 441, 567, 637, 729, 819, 1029, 1053, 1323, 1701, 1911, 2187, 2457, 3087, 3159, 3969, 4459, 5103, 5733, 6561, 7371, 9261, 9477, 11907, 13377, 15309, 17199, 19683, 22113, 27783, 28431, 35721, 40131, 45927, 51597, 66339, 83349, 85293, 107163, 120393, 137781, 154791, 199017, 250047, 255879, 321489, 361179, 464373, 597051, 750141, 964467, 1083537, 1393119, 1791153, 2250423, 3250611, 4179357, 6751269, 9751833, 12538071, 29255499, 87766497]

約数ペア:

[(1, 87766497), (3, 29255499), (7, 12538071), (9, 9751833), (13, 6751269), (21, 4179357), (27, 3250611), (39, 2250423), (49, 1791153), (63, 1393119), (81, 1083537), (91, 964467), (117, 750141), (147, 597051), (189, 464373), (243, 361179), (273, 321489), (343, 255879), (351, 250047), (441, 199017), (567, 154791), (637, 137781), (729, 120393), (819, 107163), (1029, 85293), (1053, 83349), (1323, 66339), (1701, 51597), (1911, 45927), (2187, 40131), (2457, 35721), (3087, 28431), (3159, 27783), (3969, 22113), (4459, 19683), (5103, 17199), (5733, 15309), (6561, 13377), (7371, 11907), (9261, 9477)]