217620813

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1\times {\mathrm{2683}}^1$

素因数の和:4128

約数の個数: 16

約数和(自身を含む): 305761280

約数和(自身を除く): 88140467

約数列:

[1, 3, 19, 57, 1423, 2683, 4269, 8049, 27037, 50977, 81111, 152931, 3817909, 11453727, 72540271, 217620813]

約数ペア:

[(1, 217620813), (3, 72540271), (19, 11453727), (57, 3817909), (1423, 152931), (2683, 81111), (4269, 50977), (8049, 27037)]