28391229

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 44396352

約数和(自身を除く): 16005123

約数列:

[1, 3, 9, 27, 41, 81, 83, 103, 123, 249, 309, 369, 747, 927, 1107, 2241, 2781, 3321, 3403, 4223, 6723, 8343, 8549, 10209, 12669, 25647, 30627, 38007, 76941, 91881, 114021, 230823, 275643, 342063, 350509, 692469, 1051527, 3154581, 9463743, 28391229]

約数ペア:

[(1, 28391229), (3, 9463743), (9, 3154581), (27, 1051527), (41, 692469), (81, 350509), (83, 342063), (103, 275643), (123, 230823), (249, 114021), (309, 91881), (369, 76941), (747, 38007), (927, 30627), (1107, 25647), (2241, 12669), (2781, 10209), (3321, 8549), (3403, 8343), (4223, 6723)]