689704443

素因数分解:

$3^3\times {\mathrm{137}}^2\times {\mathrm{1361}}^1$

素因数の和:1644

約数の個数: 24

約数和(自身を含む): 1030053360

約数和(自身を除く): 340348917

約数列:

[1, 3, 9, 27, 137, 411, 1233, 1361, 3699, 4083, 12249, 18769, 36747, 56307, 168921, 186457, 506763, 559371, 1678113, 5034339, 25544609, 76633827, 229901481, 689704443]

約数ペア:

[(1, 689704443), (3, 229901481), (9, 76633827), (27, 25544609), (137, 5034339), (411, 1678113), (1233, 559371), (1361, 506763), (3699, 186457), (4083, 168921), (12249, 56307), (18769, 36747)]