2947791

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1823}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 4990464

約数和(自身を除く): 2042673

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 1823, 5469, 12761, 20053, 38283, 60159, 89327, 140371, 267981, 421113, 982597, 2947791]

約数ペア:

[(1, 2947791), (3, 982597), (7, 421113), (11, 267981), (21, 140371), (33, 89327), (49, 60159), (77, 38283), (147, 20053), (231, 12761), (539, 5469), (1617, 1823)]