51128763

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 81725952

約数和(自身を除く): 30597189

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 861, 903, 1381, 1763, 4143, 5289, 9667, 12341, 29001, 37023, 56621, 59383, 169863, 178149, 396347, 415681, 1189041, 1247043, 2434703, 7304109, 17042921, 51128763]

約数ペア:

[(1, 51128763), (3, 17042921), (7, 7304109), (21, 2434703), (41, 1247043), (43, 1189041), (123, 415681), (129, 396347), (287, 178149), (301, 169863), (861, 59383), (903, 56621), (1381, 37023), (1763, 29001), (4143, 12341), (5289, 9667)]