2008377

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 3369600

約数和(自身を除く): 1361223

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 449, 497, 639, 1347, 1491, 3143, 4041, 4473, 9429, 28287, 31879, 95637, 223153, 286911, 669459, 2008377]

約数ペア:

[(1, 2008377), (3, 669459), (7, 286911), (9, 223153), (21, 95637), (63, 31879), (71, 28287), (213, 9429), (449, 4473), (497, 4041), (639, 3143), (1347, 1491)]