28507695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4349}}^1$

素因数の和:4399

約数の個数: 32

約数和(自身を含む): 50112000

約数和(自身を除く): 21604305

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 4349, 6555, 13047, 21745, 65235, 82631, 100027, 247893, 300081, 413155, 500135, 1239465, 1500405, 1900513, 5701539, 9502565, 28507695]

約数ペア:

[(1, 28507695), (3, 9502565), (5, 5701539), (15, 1900513), (19, 1500405), (23, 1239465), (57, 500135), (69, 413155), (95, 300081), (115, 247893), (285, 100027), (345, 82631), (437, 65235), (1311, 21745), (2185, 13047), (4349, 6555)]