7891317

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 13685760

約数和(自身を除く): 5794443

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 971, 1161, 2709, 2913, 6797, 8127, 8739, 20391, 26217, 41753, 61173, 125259, 183519, 292271, 375777, 876813, 1127331, 2630439, 7891317]

約数ペア:

[(1, 7891317), (3, 2630439), (7, 1127331), (9, 876813), (21, 375777), (27, 292271), (43, 183519), (63, 125259), (129, 61173), (189, 41753), (301, 26217), (387, 20391), (903, 8739), (971, 8127), (1161, 6797), (2709, 2913)]