2217189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 3214400

約数和(自身を除く): 997211

約数列:

[1, 3, 13, 39, 139, 409, 417, 1227, 1807, 5317, 5421, 15951, 56851, 170553, 739063, 2217189]

約数ペア:

[(1, 2217189), (3, 739063), (13, 170553), (39, 56851), (139, 15951), (409, 5421), (417, 5317), (1227, 1807)]