16641639

素因数分解:

$3^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 11743641

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 191, 461, 573, 1337, 1383, 1719, 3227, 4011, 4149, 5157, 9681, 12033, 12447, 29043, 36099, 87129, 88051, 264153, 616357, 792459, 1849071, 2377377, 5547213, 16641639]

約数ペア:

[(1, 16641639), (3, 5547213), (7, 2377377), (9, 1849071), (21, 792459), (27, 616357), (63, 264153), (189, 88051), (191, 87129), (461, 36099), (573, 29043), (1337, 12447), (1383, 12033), (1719, 9681), (3227, 5157), (4011, 4149)]