81542699

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{911}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 98350080

約数和(自身を除く): 16807381

約数列:

[1, 7, 19, 133, 673, 911, 4711, 6377, 12787, 17309, 89509, 121163, 613103, 4291721, 11648957, 81542699]

約数ペア:

[(1, 81542699), (7, 11648957), (19, 4291721), (133, 613103), (673, 121163), (911, 89509), (4711, 17309), (6377, 12787)]