2789.000000

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 1326720

約数和(自身を除く): 804702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1381, 2762, 4143, 8286, 9667, 12429, 19334, 24858, 29001, 37287, 58002, 74574, 87003, 174006, 261009, 522018]

約数ペア:

[(1, 522018), (2, 261009), (3, 174006), (6, 87003), (7, 74574), (9, 58002), (14, 37287), (18, 29001), (21, 24858), (27, 19334), (42, 12429), (54, 9667), (63, 8286), (126, 4143), (189, 2762), (378, 1381)]