681463299

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{6271}}^1$

素因数の和:6411

約数の個数: 32

約数和(自身を含む): 1029611520

約数和(自身を除く): 348148221

約数列:

[1, 3, 11, 33, 37, 89, 111, 267, 407, 979, 1221, 2937, 3293, 6271, 9879, 18813, 36223, 68981, 108669, 206943, 232027, 558119, 696081, 1674357, 2552297, 6139309, 7656891, 18417927, 20650403, 61951209, 227154433, 681463299]

約数ペア:

[(1, 681463299), (3, 227154433), (11, 61951209), (33, 20650403), (37, 18417927), (89, 7656891), (111, 6139309), (267, 2552297), (407, 1674357), (979, 696081), (1221, 558119), (2937, 232027), (3293, 206943), (6271, 108669), (9879, 68981), (18813, 36223)]