1640250087

素因数分解:

$3^1\times 7^1\times {\mathrm{10333}}^1\times {\mathrm{7559}}^1$

素因数の和:17902

約数の個数: 16

約数和(自身を含む): 2500001280

約数和(自身を除く): 859751193

約数列:

[1, 3, 7, 21, 7559, 10333, 22677, 30999, 52913, 72331, 158739, 216993, 78107147, 234321441, 546750029, 1640250087]

約数ペア:

[(1, 1640250087), (3, 546750029), (7, 234321441), (21, 78107147), (7559, 216993), (10333, 158739), (22677, 72331), (30999, 52913)]