81330498

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{7027}}^1$

素因数の和:7678

約数の個数: 24

約数和(自身を含む): 176515248

約数和(自身を除く): 95184750

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1929, 3858, 5787, 7027, 11574, 14054, 21081, 42162, 63243, 126486, 4518361, 9036722, 13555083, 27110166, 40665249, 81330498]

約数ペア:

[(1, 81330498), (2, 40665249), (3, 27110166), (6, 13555083), (9, 9036722), (18, 4518361), (643, 126486), (1286, 63243), (1929, 42162), (3858, 21081), (5787, 14054), (7027, 11574)]