16865217

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{98627}}^1$

素因数の和:98652

約数の個数: 12

約数和(自身を含む): 25643280

約数和(自身を除く): 8778063

約数列:

[1, 3, 9, 19, 57, 171, 98627, 295881, 887643, 1873913, 5621739, 16865217]

約数ペア:

[(1, 16865217), (3, 5621739), (9, 1873913), (19, 887643), (57, 295881), (171, 98627)]