16686741

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 24312960

約数和(自身を除く): 7626219

約数列:

[1, 3, 17, 37, 51, 111, 239, 629, 717, 1369, 1887, 4063, 4107, 8843, 12189, 23273, 26529, 69819, 150331, 327191, 450993, 981573, 5562247, 16686741]

約数ペア:

[(1, 16686741), (3, 5562247), (17, 981573), (37, 450993), (51, 327191), (111, 150331), (239, 69819), (629, 26529), (717, 23273), (1369, 12189), (1887, 8843), (4063, 4107)]