7831971

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 14094080

約数和(自身を除く): 6262109

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 727, 1197, 1539, 2181, 3591, 5089, 6543, 10773, 13813, 15267, 19629, 41439, 45801, 58887, 96691, 124317, 137403, 290073, 372951, 412209, 870219, 1118853, 2610657, 7831971]

約数ペア:

[(1, 7831971), (3, 2610657), (7, 1118853), (9, 870219), (19, 412209), (21, 372951), (27, 290073), (57, 137403), (63, 124317), (81, 96691), (133, 58887), (171, 45801), (189, 41439), (399, 19629), (513, 15267), (567, 13813), (727, 10773), (1197, 6543), (1539, 5089), (2181, 3591)]