28129095

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14537}}^1$

素因数の和:14591

約数の個数: 24

約数和(自身を含む): 49894416

約数和(自身を除く): 21765321

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14537, 43611, 72685, 130833, 218055, 625091, 654165, 1875273, 3125455, 5625819, 9376365, 28129095]

約数ペア:

[(1, 28129095), (3, 9376365), (5, 5625819), (9, 3125455), (15, 1875273), (43, 654165), (45, 625091), (129, 218055), (215, 130833), (387, 72685), (645, 43611), (1935, 14537)]