128256831

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1924

約数の個数: 32

約数和(自身を含む): 197725440

約数和(自身を除く): 69468609

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 387, 549, 1161, 1647, 1811, 2623, 5433, 7869, 16299, 23607, 48897, 70821, 77873, 110471, 233619, 331413, 700857, 994239, 2102571, 2982717, 4750253, 14250759, 42752277, 128256831]

約数ペア:

[(1, 128256831), (3, 42752277), (9, 14250759), (27, 4750253), (43, 2982717), (61, 2102571), (129, 994239), (183, 700857), (387, 331413), (549, 233619), (1161, 110471), (1647, 77873), (1811, 70821), (2623, 48897), (5433, 23607), (7869, 16299)]