11985981

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13921}}^1$

素因数の和:13972

約数の個数: 16

約数和(自身を含む): 18711168

約数和(自身を除く): 6725187

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 13921, 41763, 97447, 292341, 570761, 1712283, 3995327, 11985981]

約数ペア:

[(1, 11985981), (3, 3995327), (7, 1712283), (21, 570761), (41, 292341), (123, 97447), (287, 41763), (861, 13921)]