217278723

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1\times {\mathrm{4679}}^1$

素因数の和:5378

約数の個数: 16

約数和(自身を含む): 302814720

約数和(自身を除く): 85535997

約数列:

[1, 3, 23, 69, 673, 2019, 4679, 14037, 15479, 46437, 107617, 322851, 3148967, 9446901, 72426241, 217278723]

約数ペア:

[(1, 217278723), (3, 72426241), (23, 9446901), (69, 3148967), (673, 322851), (2019, 107617), (4679, 46437), (14037, 15479)]