517419

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 878592

約数和(自身を除く): 361173

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 191, 301, 387, 573, 903, 1337, 1719, 2709, 4011, 8213, 12033, 24639, 57491, 73917, 172473, 517419]

約数ペア:

[(1, 517419), (3, 172473), (7, 73917), (9, 57491), (21, 24639), (43, 12033), (63, 8213), (129, 4011), (191, 2709), (301, 1719), (387, 1337), (573, 903)]