40450389

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 64389120

約数和(自身を除く): 23938731

約数列:

[1, 3, 7, 21, 29, 87, 127, 203, 381, 523, 609, 889, 1569, 2667, 3661, 3683, 10983, 11049, 15167, 25781, 45501, 66421, 77343, 106169, 199263, 318507, 464947, 1394841, 1926209, 5778627, 13483463, 40450389]

約数ペア:

[(1, 40450389), (3, 13483463), (7, 5778627), (21, 1926209), (29, 1394841), (87, 464947), (127, 318507), (203, 199263), (381, 106169), (523, 77343), (609, 66421), (889, 45501), (1569, 25781), (2667, 15167), (3661, 11049), (3683, 10983)]