91990857

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{141307}}^1$

素因数の和:141348

約数の個数: 16

約数和(自身を含む): 144699392

約数和(自身を除く): 52708535

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 141307, 423921, 989149, 2967447, 4380517, 13141551, 30663619, 91990857]

約数ペア:

[(1, 91990857), (3, 30663619), (7, 13141551), (21, 4380517), (31, 2967447), (93, 989149), (217, 423921), (651, 141307)]