27864081

素因数分解:

$3^5\times 7^1\times {\mathrm{16381}}^1$

素因数の和:16403

約数の個数: 24

約数和(自身を含む): 47704384

約数和(自身を除く): 19840303

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16381, 49143, 114667, 147429, 344001, 442287, 1032003, 1326861, 3096009, 3980583, 9288027, 27864081]

約数ペア:

[(1, 27864081), (3, 9288027), (7, 3980583), (9, 3096009), (21, 1326861), (27, 1032003), (63, 442287), (81, 344001), (189, 147429), (243, 114667), (567, 49143), (1701, 16381)]