28627305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2647}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 52875264

約数和(自身を除く): 24247959

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 2647, 3605, 7941, 10815, 13235, 18529, 39705, 55587, 92645, 272641, 277935, 817923, 1363205, 1908487, 4089615, 5725461, 9542435, 28627305]

約数ペア:

[(1, 28627305), (3, 9542435), (5, 5725461), (7, 4089615), (15, 1908487), (21, 1363205), (35, 817923), (103, 277935), (105, 272641), (309, 92645), (515, 55587), (721, 39705), (1545, 18529), (2163, 13235), (2647, 10815), (3605, 7941)]