54985791

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19687}}^1$

素因数の和:19723

約数の個数: 24

約数和(自身を含む): 89777280

約数和(自身を除く): 34791489

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 19687, 59061, 137809, 374053, 413427, 964663, 1122159, 2618371, 2893989, 7855113, 18328597, 54985791]

約数ペア:

[(1, 54985791), (3, 18328597), (7, 7855113), (19, 2893989), (21, 2618371), (49, 1122159), (57, 964663), (133, 413427), (147, 374053), (399, 137809), (931, 59061), (2793, 19687)]