81828327

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 134785280

約数和(自身を除く): 52956953

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 139, 289, 291, 357, 417, 679, 867, 973, 1649, 2023, 2037, 2363, 2919, 4947, 6069, 7089, 11543, 13483, 16541, 28033, 34629, 40171, 40449, 49623, 84099, 94381, 120513, 196231, 229211, 281197, 283143, 588693, 687633, 843591, 1604477, 3896587, 4813431, 11689761, 27276109, 81828327]

約数ペア:

[(1, 81828327), (3, 27276109), (7, 11689761), (17, 4813431), (21, 3896587), (51, 1604477), (97, 843591), (119, 687633), (139, 588693), (289, 283143), (291, 281197), (357, 229211), (417, 196231), (679, 120513), (867, 94381), (973, 84099), (1649, 49623), (2023, 40449), (2037, 40171), (2363, 34629), (2919, 28033), (4947, 16541), (6069, 13483), (7089, 11543)]