16909851

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3109}}^1$

素因数の和:3163

約数の個数: 24

約数和(自身を含む): 26945040

約数和(自身を除く): 10035189

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3109, 5439, 9327, 21763, 65289, 115033, 152341, 345099, 457023, 805231, 2415693, 5636617, 16909851]

約数ペア:

[(1, 16909851), (3, 5636617), (7, 2415693), (21, 805231), (37, 457023), (49, 345099), (111, 152341), (147, 115033), (259, 65289), (777, 21763), (1813, 9327), (3109, 5439)]