210047967

素因数分解:

$3^2\times {\mathrm{127}}^2\times {\mathrm{1447}}^1$

素因数の和:1707

約数の個数: 18

約数和(自身を含む): 306021768

約数和(自身を除く): 95973801

約数列:

[1, 3, 9, 127, 381, 1143, 1447, 4341, 13023, 16129, 48387, 145161, 183769, 551307, 1653921, 23338663, 70015989, 210047967]

約数ペア:

[(1, 210047967), (3, 70015989), (9, 23338663), (127, 1653921), (381, 551307), (1143, 183769), (1447, 145161), (4341, 48387), (13023, 16129)]