84671391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{212209}}^1$

素因数の和:212238

約数の個数: 16

約数和(自身を含む): 135814400

約数和(自身を除く): 51143009

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 212209, 636627, 1485463, 4031971, 4456389, 12095913, 28223797, 84671391]

約数ペア:

[(1, 84671391), (3, 28223797), (7, 12095913), (19, 4456389), (21, 4031971), (57, 1485463), (133, 636627), (399, 212209)]