16681257

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 24714144

約数和(自身を除く): 8032887

約数列:

[1, 3, 9, 83, 137, 163, 249, 411, 489, 747, 1233, 1467, 11371, 13529, 22331, 34113, 40587, 66993, 102339, 121761, 200979, 1853473, 5560419, 16681257]

約数ペア:

[(1, 16681257), (3, 5560419), (9, 1853473), (83, 200979), (137, 121761), (163, 102339), (249, 66993), (411, 40587), (489, 34113), (747, 22331), (1233, 13529), (1467, 11371)]