81751743

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4127}}^1$

素因数の和:4235

約数の個数: 24

約数和(自身を含む): 123641856

約数和(自身を除く): 41890113

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 2201, 4127, 6603, 12381, 19809, 37143, 127937, 293017, 383811, 879051, 1151433, 2637153, 9083527, 27250581, 81751743]

約数ペア:

[(1, 81751743), (3, 27250581), (9, 9083527), (31, 2637153), (71, 1151433), (93, 879051), (213, 383811), (279, 293017), (639, 127937), (2201, 37143), (4127, 19809), (6603, 12381)]