140561001

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 241651520

約数和(自身を除く): 101090519

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 471, 567, 1099, 1413, 1579, 3297, 4239, 4737, 9891, 11053, 12717, 14211, 29673, 33159, 42633, 89019, 99477, 127899, 247903, 298431, 743709, 895293, 1735321, 2231127, 5205963, 6693381, 15617889, 20080143, 46853667, 140561001]

約数ペア:

[(1, 140561001), (3, 46853667), (7, 20080143), (9, 15617889), (21, 6693381), (27, 5205963), (63, 2231127), (81, 1735321), (157, 895293), (189, 743709), (471, 298431), (567, 247903), (1099, 127899), (1413, 99477), (1579, 89019), (3297, 42633), (4239, 33159), (4737, 29673), (9891, 14211), (11053, 12717)]