81242874

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{11369}}^1$

素因数の和:11774

約数の個数: 24

約数和(自身を含む): 176485140

約数和(自身を除く): 95242266

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 3573, 7146, 11369, 22738, 34107, 68214, 102321, 204642, 4513493, 9026986, 13540479, 27080958, 40621437, 81242874]

約数ペア:

[(1, 81242874), (2, 40621437), (3, 27080958), (6, 13540479), (9, 9026986), (18, 4513493), (397, 204642), (794, 102321), (1191, 68214), (2382, 34107), (3573, 22738), (7146, 11369)]