8288721

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 13790400

約数和(自身を除く): 5501679

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 883, 1043, 1341, 2649, 3129, 6181, 7947, 9387, 18543, 55629, 131567, 394701, 920969, 1184103, 2762907, 8288721]

約数ペア:

[(1, 8288721), (3, 2762907), (7, 1184103), (9, 920969), (21, 394701), (63, 131567), (149, 55629), (447, 18543), (883, 9387), (1043, 7947), (1341, 6181), (2649, 3129)]