11972457

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3221}}^1$

素因数の和:3293

約数の個数: 24

約数和(自身を含む): 20105280

約数和(自身を除く): 8132823

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3221, 3717, 9663, 22547, 28989, 67641, 190039, 202923, 570117, 1330273, 1710351, 3990819, 11972457]

約数ペア:

[(1, 11972457), (3, 3990819), (7, 1710351), (9, 1330273), (21, 570117), (59, 202923), (63, 190039), (177, 67641), (413, 28989), (531, 22547), (1239, 9663), (3221, 3717)]