81715706217

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{8941}}^1$

素因数の和:9111

約数の個数: 72

約数和(自身を含む): 130211794440

約数和(自身を除く): 48496088223

約数列:

[1, 3, 9, 19, 29, 57, 87, 97, 171, 261, 291, 361, 551, 873, 1083, 1653, 1843, 2813, 3249, 4959, 5529, 8439, 8941, 10469, 16587, 25317, 26823, 31407, 35017, 53447, 80469, 94221, 105051, 160341, 169879, 259289, 315153, 481023, 509637, 777867, 867277, 1015493, 1528911, 2333601, 2601831, 3046479, 3227701, 4926491, 7805493, 9139437, 9683103, 14779473, 16478263, 25151033, 29049309, 44338419, 49434789, 75453099, 93603329, 148304367, 226359297, 280809987, 313086997, 477869627, 842429961, 939260991, 1433608881, 2817782973, 4300826643, 9079522913, 27238568739, 81715706217]

約数ペア:

[(1, 81715706217), (3, 27238568739), (9, 9079522913), (19, 4300826643), (29, 2817782973), (57, 1433608881), (87, 939260991), (97, 842429961), (171, 477869627), (261, 313086997), (291, 280809987), (361, 226359297), (551, 148304367), (873, 93603329), (1083, 75453099), (1653, 49434789), (1843, 44338419), (2813, 29049309), (3249, 25151033), (4959, 16478263), (5529, 14779473), (8439, 9683103), (8941, 9139437), (10469, 7805493), (16587, 4926491), (25317, 3227701), (26823, 3046479), (31407, 2601831), (35017, 2333601), (53447, 1528911), (80469, 1015493), (94221, 867277), (105051, 777867), (160341, 509637), (169879, 481023), (259289, 315153)]