28089525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22031}}^1$

素因数の和:22061

約数の個数: 24

約数和(自身を含む): 49175424

約数和(自身を除く): 21085899

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22031, 66093, 110155, 330465, 374527, 550775, 1123581, 1652325, 1872635, 5617905, 9363175, 28089525]

約数ペア:

[(1, 28089525), (3, 9363175), (5, 5617905), (15, 1872635), (17, 1652325), (25, 1123581), (51, 550775), (75, 374527), (85, 330465), (255, 110155), (425, 66093), (1275, 22031)]