82989207

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 149778720

約数和(自身を除く): 66789513

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 89, 123, 133, 171, 267, 287, 361, 369, 399, 623, 779, 801, 861, 1083, 1197, 1691, 1869, 2337, 2527, 2583, 3249, 3649, 5073, 5453, 5607, 7011, 7581, 10947, 11837, 14801, 15219, 16359, 22743, 25543, 32129, 32841, 35511, 44403, 49077, 69331, 76629, 96387, 103607, 106533, 133209, 207993, 224903, 229887, 289161, 310821, 485317, 623979, 674709, 932463, 1317289, 1455951, 2024127, 3951867, 4367853, 9221023, 11855601, 27663069, 82989207]

約数ペア:

[(1, 82989207), (3, 27663069), (7, 11855601), (9, 9221023), (19, 4367853), (21, 3951867), (41, 2024127), (57, 1455951), (63, 1317289), (89, 932463), (123, 674709), (133, 623979), (171, 485317), (267, 310821), (287, 289161), (361, 229887), (369, 224903), (399, 207993), (623, 133209), (779, 106533), (801, 103607), (861, 96387), (1083, 76629), (1197, 69331), (1691, 49077), (1869, 44403), (2337, 35511), (2527, 32841), (2583, 32129), (3249, 25543), (3649, 22743), (5073, 16359), (5453, 15219), (5607, 14801), (7011, 11837), (7581, 10947)]