81810589

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{4327}}^1$

素因数の和:4444

約数の個数: 16

約数和(自身を含む): 97362688

約数和(自身を除く): 15552099

約数列:

[1, 7, 37, 73, 259, 511, 2701, 4327, 18907, 30289, 160099, 315871, 1120693, 2211097, 11687227, 81810589]

約数ペア:

[(1, 81810589), (7, 11687227), (37, 2211097), (73, 1120693), (259, 315871), (511, 160099), (2701, 30289), (4327, 18907)]