18804177

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 32710400

約数和(自身を除く): 13906223

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2689, 6993, 8067, 18823, 24201, 56469, 72603, 99493, 169407, 298479, 508221, 696451, 895437, 2089353, 2686311, 6268059, 18804177]

約数ペア:

[(1, 18804177), (3, 6268059), (7, 2686311), (9, 2089353), (21, 895437), (27, 696451), (37, 508221), (63, 298479), (111, 169407), (189, 99493), (259, 72603), (333, 56469), (777, 24201), (999, 18823), (2331, 8067), (2689, 6993)]