2157963

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 3241920

約数和(自身を除く): 1083957

約数列:

[1, 3, 17, 19, 51, 57, 131, 289, 323, 393, 867, 969, 2227, 2489, 5491, 6681, 7467, 16473, 37859, 42313, 113577, 126939, 719321, 2157963]

約数ペア:

[(1, 2157963), (3, 719321), (17, 126939), (19, 113577), (51, 42313), (57, 37859), (131, 16473), (289, 7467), (323, 6681), (393, 5491), (867, 2489), (969, 2227)]