8330721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20879}}^1$

素因数の和:20908

約数の個数: 16

約数和(自身を含む): 13363200

約数和(自身を除く): 5032479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 20879, 62637, 146153, 396701, 438459, 1190103, 2776907, 8330721]

約数ペア:

[(1, 8330721), (3, 2776907), (7, 1190103), (19, 438459), (21, 396701), (57, 146153), (133, 62637), (399, 20879)]