121372155

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6863}}^1$

素因数の和:7008

約数の個数: 32

約数和(自身を含む): 217451520

約数和(自身を除く): 96079365

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 5895, 6863, 17685, 20589, 34315, 61767, 102945, 185301, 308835, 899053, 926505, 2697159, 4495265, 8091477, 13485795, 24274431, 40457385, 121372155]

約数ペア:

[(1, 121372155), (3, 40457385), (5, 24274431), (9, 13485795), (15, 8091477), (27, 4495265), (45, 2697159), (131, 926505), (135, 899053), (393, 308835), (655, 185301), (1179, 102945), (1965, 61767), (3537, 34315), (5895, 20589), (6863, 17685)]