7040439

素因数分解:

$3^5\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 12055680

約数和(自身を除く): 5015241

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 4139, 12417, 28973, 37251, 86919, 111753, 260757, 335259, 782271, 1005777, 2346813, 7040439]

約数ペア:

[(1, 7040439), (3, 2346813), (7, 1005777), (9, 782271), (21, 335259), (27, 260757), (63, 111753), (81, 86919), (189, 37251), (243, 28973), (567, 12417), (1701, 4139)]