249731019

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 387335520

約数和(自身を除く): 137604501

約数列:

[1, 3, 9, 27, 37, 81, 103, 111, 309, 333, 809, 927, 999, 2427, 2781, 2997, 3811, 7281, 8343, 11433, 21843, 29933, 34299, 65529, 83327, 89799, 102897, 249981, 269397, 308691, 749943, 808191, 2249829, 2424573, 3083099, 6749487, 9249297, 27747891, 83243673, 249731019]

約数ペア:

[(1, 249731019), (3, 83243673), (9, 27747891), (27, 9249297), (37, 6749487), (81, 3083099), (103, 2424573), (111, 2249829), (309, 808191), (333, 749943), (809, 308691), (927, 269397), (999, 249981), (2427, 102897), (2781, 89799), (2997, 83327), (3811, 65529), (7281, 34299), (8343, 29933), (11433, 21843)]