18118269

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 11516931

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1259, 1599, 3777, 4797, 11331, 14391, 16367, 33993, 49101, 51619, 147303, 154857, 441909, 464571, 671047, 1393713, 2013141, 6039423, 18118269]

約数ペア:

[(1, 18118269), (3, 6039423), (9, 2013141), (13, 1393713), (27, 671047), (39, 464571), (41, 441909), (117, 154857), (123, 147303), (351, 51619), (369, 49101), (533, 33993), (1107, 16367), (1259, 14391), (1599, 11331), (3777, 4797)]