2912972391

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{193463}}^1$

素因数の和:193715

約数の個数: 24

約数和(自身を含む): 4828861440

約数和(自身を除く): 1915889049

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 193463, 580389, 1354241, 1741167, 4062723, 12188169, 46237657, 138712971, 323663599, 416138913, 970990797, 2912972391]

約数ペア:

[(1, 2912972391), (3, 970990797), (7, 416138913), (9, 323663599), (21, 138712971), (63, 46237657), (239, 12188169), (717, 4062723), (1673, 1741167), (2151, 1354241), (5019, 580389), (15057, 193463)]