7940079

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 13770240

約数和(自身を除く): 5830161

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 977, 1161, 2709, 2931, 6839, 8127, 8793, 20517, 26379, 42011, 61551, 126033, 184653, 294077, 378099, 882231, 1134297, 2646693, 7940079]

約数ペア:

[(1, 7940079), (3, 2646693), (7, 1134297), (9, 882231), (21, 378099), (27, 294077), (43, 184653), (63, 126033), (129, 61551), (189, 42011), (301, 26379), (387, 20517), (903, 8793), (977, 8127), (1161, 6839), (2709, 2931)]