28697655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{273311}}^1$

素因数の和:273326

約数の個数: 16

約数和(自身を含む): 52475904

約数和(自身を除く): 23778249

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 273311, 819933, 1366555, 1913177, 4099665, 5739531, 9565885, 28697655]

約数ペア:

[(1, 28697655), (3, 9565885), (5, 5739531), (7, 4099665), (15, 1913177), (21, 1366555), (35, 819933), (105, 273311)]