71688771

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 138018816

約数和(自身を除く): 66330045

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 47, 63, 71, 77, 93, 99, 141, 213, 217, 231, 279, 329, 341, 423, 497, 517, 639, 651, 693, 781, 987, 1023, 1457, 1491, 1551, 1953, 2201, 2343, 2387, 2961, 3069, 3337, 3619, 4371, 4473, 4653, 5467, 6603, 7029, 7161, 10011, 10199, 10857, 13113, 15407, 16027, 16401, 19809, 21483, 23359, 24211, 30033, 30597, 32571, 36707, 46221, 48081, 49203, 70077, 72633, 91791, 103447, 110121, 112189, 138663, 144243, 169477, 210231, 217899, 256949, 310341, 330363, 336567, 508431, 724129, 770847, 931023, 1009701, 1137917, 1525293, 2172387, 2312541, 3413751, 6517161, 7965419, 10241253, 23896257, 71688771]

約数ペア:

[(1, 71688771), (3, 23896257), (7, 10241253), (9, 7965419), (11, 6517161), (21, 3413751), (31, 2312541), (33, 2172387), (47, 1525293), (63, 1137917), (71, 1009701), (77, 931023), (93, 770847), (99, 724129), (141, 508431), (213, 336567), (217, 330363), (231, 310341), (279, 256949), (329, 217899), (341, 210231), (423, 169477), (497, 144243), (517, 138663), (639, 112189), (651, 110121), (693, 103447), (781, 91791), (987, 72633), (1023, 70077), (1457, 49203), (1491, 48081), (1551, 46221), (1953, 36707), (2201, 32571), (2343, 30597), (2387, 30033), (2961, 24211), (3069, 23359), (3337, 21483), (3619, 19809), (4371, 16401), (4473, 16027), (4653, 15407), (5467, 13113), (6603, 10857), (7029, 10199), (7161, 10011)]