1247765289

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1\times {\mathrm{7927}}^1$

素因数の和:8740

約数の個数: 16

約数和(自身を含む): 1689615360

約数和(自身を除く): 441850071

約数列:

[1, 3, 71, 213, 739, 2217, 7927, 23781, 52469, 157407, 562817, 1688451, 5858053, 17574159, 415921763, 1247765289]

約数ペア:

[(1, 1247765289), (3, 415921763), (71, 17574159), (213, 5858053), (739, 1688451), (2217, 562817), (7927, 157407), (23781, 52469)]