15688971

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{6679}}^1$

素因数の和:6720

約数の個数: 20

約数和(自身を含む): 24248400

約数和(自身を除く): 8559429

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 6679, 20037, 60111, 180333, 193691, 540999, 581073, 1743219, 5229657, 15688971]

約数ペア:

[(1, 15688971), (3, 5229657), (9, 1743219), (27, 581073), (29, 540999), (81, 193691), (87, 180333), (261, 60111), (783, 20037), (2349, 6679)]