1621017

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 2515968

約数和(自身を除く): 894951

約数列:

[1, 3, 9, 23, 41, 69, 123, 191, 207, 369, 573, 943, 1719, 2829, 4393, 7831, 8487, 13179, 23493, 39537, 70479, 180113, 540339, 1621017]

約数ペア:

[(1, 1621017), (3, 540339), (9, 180113), (23, 70479), (41, 39537), (69, 23493), (123, 13179), (191, 8487), (207, 7831), (369, 4393), (573, 2829), (943, 1719)]