28581165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37361}}^1$

素因数の和:37389

約数の個数: 24

約数和(自身を含む): 52456248

約数和(自身を除く): 23875083

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 37361, 112083, 186805, 336249, 560415, 635137, 1681245, 1905411, 3175685, 5716233, 9527055, 28581165]

約数ペア:

[(1, 28581165), (3, 9527055), (5, 5716233), (9, 3175685), (15, 1905411), (17, 1681245), (45, 635137), (51, 560415), (85, 336249), (153, 186805), (255, 112083), (765, 37361)]