1721772493

素因数分解:

$7^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1\times {\mathrm{2729}}^1$

素因数の和:3396

約数の個数: 16

約数和(自身を含む): 1982897280

約数和(自身を除く): 261124787

約数列:

[1, 7, 193, 467, 1351, 2729, 3269, 19103, 90131, 526697, 630917, 1274443, 3686879, 8921101, 245967499, 1721772493]

約数ペア:

[(1, 1721772493), (7, 245967499), (193, 8921101), (467, 3686879), (1351, 1274443), (2729, 630917), (3269, 526697), (19103, 90131)]