217081479

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{102931}}^1$

素因数の和:102990

約数の個数: 16

約数和(自身を含む): 312913280

約数和(自身を除く): 95831801

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 102931, 308793, 1955689, 3808447, 5867067, 11425341, 72360493, 217081479]

約数ペア:

[(1, 217081479), (3, 72360493), (19, 11425341), (37, 5867067), (57, 3808447), (111, 1955689), (703, 308793), (2109, 102931)]