2898207

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 1940193

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 359, 621, 897, 1077, 2691, 3231, 4667, 8073, 8257, 9693, 14001, 24771, 42003, 74313, 107341, 126009, 222939, 322023, 966069, 2898207]

約数ペア:

[(1, 2898207), (3, 966069), (9, 322023), (13, 222939), (23, 126009), (27, 107341), (39, 74313), (69, 42003), (117, 24771), (207, 14001), (299, 9693), (351, 8257), (359, 8073), (621, 4667), (897, 3231), (1077, 2691)]