16426809

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^2$

素因数の和:406

約数の個数: 27

約数和(自身を含む): 27745263

約数和(自身を除く): 11318454

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 441, 579, 1351, 1737, 4053, 9457, 12159, 28371, 37249, 85113, 111747, 260743, 335241, 782229, 1825201, 2346687, 5475603, 16426809]

約数ペア:

[(1, 16426809), (3, 5475603), (7, 2346687), (9, 1825201), (21, 782229), (49, 335241), (63, 260743), (147, 111747), (193, 85113), (441, 37249), (579, 28371), (1351, 12159), (1737, 9457)]