81189666

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{13627}}^1$

素因数の和:13966

約数の個数: 24

約数和(自身を含む): 176455344

約数和(自身を除く): 95265678

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 5958, 13627, 27254, 40881, 81762, 122643, 245286, 4510537, 9021074, 13531611, 27063222, 40594833, 81189666]

約数ペア:

[(1, 81189666), (2, 40594833), (3, 27063222), (6, 13531611), (9, 9021074), (18, 4510537), (331, 245286), (662, 122643), (993, 81762), (1986, 40881), (2979, 27254), (5958, 13627)]