276931277

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20921}}^1$

素因数の和:21020

約数の個数: 16

約数和(自身を含む): 332073984

約数和(自身を除く): 55142707

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 20921, 146447, 648551, 1276181, 4539857, 8933267, 39561611, 276931277]

約数ペア:

[(1, 276931277), (7, 39561611), (31, 8933267), (61, 4539857), (217, 1276181), (427, 648551), (1891, 146447), (13237, 20921)]