81420498

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{40751}}^1$

素因数の和:40799

約数の個数: 32

約数和(自身を含む): 185829120

約数和(自身を除く): 104408622

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 40751, 81502, 122253, 244506, 366759, 733518, 1100277, 1507787, 2200554, 3015574, 4523361, 9046722, 13570083, 27140166, 40710249, 81420498]

約数ペア:

[(1, 81420498), (2, 40710249), (3, 27140166), (6, 13570083), (9, 9046722), (18, 4523361), (27, 3015574), (37, 2200554), (54, 1507787), (74, 1100277), (111, 733518), (222, 366759), (333, 244506), (666, 122253), (999, 81502), (1998, 40751)]