1388397717

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{1811}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 2354846208

約数和(自身を除く): 966448491

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 283, 301, 387, 849, 903, 1811, 1981, 2547, 2709, 5433, 5943, 12169, 12677, 16299, 17829, 36507, 38031, 77873, 85183, 109521, 114093, 233619, 255549, 512513, 545111, 700857, 766647, 1537539, 1635333, 3587591, 4612617, 4905999, 10762773, 22038059, 32288319, 66114177, 154266413, 198342531, 462799239, 1388397717]

約数ペア:

[(1, 1388397717), (3, 462799239), (7, 198342531), (9, 154266413), (21, 66114177), (43, 32288319), (63, 22038059), (129, 10762773), (283, 4905999), (301, 4612617), (387, 3587591), (849, 1635333), (903, 1537539), (1811, 766647), (1981, 700857), (2547, 545111), (2709, 512513), (5433, 255549), (5943, 233619), (12169, 114093), (12677, 109521), (16299, 85183), (17829, 77873), (36507, 38031)]