2783009799

素因数分解:

$3^3\times {\mathrm{1999}}^1\times {\mathrm{51563}}^1$

素因数の和:53571

約数の個数: 16

約数和(自身を含む): 4125120000

約数和(自身を除く): 1342110201

約数列:

[1, 3, 9, 27, 1999, 5997, 17991, 51563, 53973, 154689, 464067, 1392201, 103074437, 309223311, 927669933, 2783009799]

約数ペア:

[(1, 2783009799), (3, 927669933), (9, 309223311), (27, 103074437), (1999, 1392201), (5997, 464067), (17991, 154689), (51563, 53973)]