18005337

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1579}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 29906240

約数和(自身を除く): 11900903

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1579, 1629, 3801, 4737, 11053, 11403, 14211, 33159, 99477, 285799, 857397, 2000593, 2572191, 6001779, 18005337]

約数ペア:

[(1, 18005337), (3, 6001779), (7, 2572191), (9, 2000593), (21, 857397), (63, 285799), (181, 99477), (543, 33159), (1267, 14211), (1579, 11403), (1629, 11053), (3801, 4737)]