140030779

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{21487}}^1$

素因数の和:21527

約数の個数: 16

約数和(自身を含む): 171904000

約数和(自身を除く): 31873221

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 21487, 150409, 408253, 1052863, 2857771, 7370041, 20004397, 140030779]

約数ペア:

[(1, 140030779), (7, 20004397), (19, 7370041), (49, 2857771), (133, 1052863), (343, 408253), (931, 150409), (6517, 21487)]