2889639

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 18

約数和(自身を含む): 4300608

約数和(自身を除く): 1410969

約数列:

[1, 3, 9, 41, 123, 191, 369, 573, 1681, 1719, 5043, 7831, 15129, 23493, 70479, 321071, 963213, 2889639]

約数ペア:

[(1, 2889639), (3, 963213), (9, 321071), (41, 70479), (123, 23493), (191, 15129), (369, 7831), (573, 5043), (1681, 1719)]