28871415

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6229}}^1$

素因数の和:6343

約数の個数: 24

約数和(自身を含む): 50537760

約数和(自身を除く): 21666345

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 6229, 18687, 31145, 56061, 93435, 280305, 641587, 1924761, 3207935, 5774283, 9623805, 28871415]

約数ペア:

[(1, 28871415), (3, 9623805), (5, 5774283), (9, 3207935), (15, 1924761), (45, 641587), (103, 280305), (309, 93435), (515, 56061), (927, 31145), (1545, 18687), (4635, 6229)]