81681246

素因数分解:

$2^1\times 3^2\times {\mathrm{1979}}^1\times {\mathrm{2293}}^1$

素因数の和:4280

約数の個数: 24

約数和(自身を含む): 177142680

約数和(自身を除く): 95461434

約数列:

[1, 2, 3, 6, 9, 18, 1979, 2293, 3958, 4586, 5937, 6879, 11874, 13758, 17811, 20637, 35622, 41274, 4537847, 9075694, 13613541, 27227082, 40840623, 81681246]

約数ペア:

[(1, 81681246), (2, 40840623), (3, 27227082), (6, 13613541), (9, 9075694), (18, 4537847), (1979, 41274), (2293, 35622), (3958, 20637), (4586, 17811), (5937, 13758), (6879, 11874)]