30871605

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3181}}^1$

素因数の和:3836

約数の個数: 16

約数和(自身を含む): 49486464

約数和(自身を除く): 18614859

約数列:

[1, 3, 5, 15, 647, 1941, 3181, 3235, 9543, 9705, 15905, 47715, 2058107, 6174321, 10290535, 30871605]

約数ペア:

[(1, 30871605), (3, 10290535), (5, 6174321), (15, 2058107), (647, 47715), (1941, 15905), (3181, 9705), (3235, 9543)]