212071719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{6427}}^1$

素因数の和:7094

約数の個数: 16

約数和(自身を含む): 299904768

約数和(自身を除く): 87833049

約数列:

[1, 3, 17, 51, 647, 1941, 6427, 10999, 19281, 32997, 109259, 327777, 4158269, 12474807, 70690573, 212071719]

約数ペア:

[(1, 212071719), (3, 70690573), (17, 12474807), (51, 4158269), (647, 327777), (1941, 109259), (6427, 32997), (10999, 19281)]