28535775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22381}}^1$

素因数の和:22411

約数の個数: 24

約数和(自身を含む): 49956624

約数和(自身を除く): 21420849

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22381, 67143, 111905, 335715, 380477, 559525, 1141431, 1678575, 1902385, 5707155, 9511925, 28535775]

約数ペア:

[(1, 28535775), (3, 9511925), (5, 5707155), (15, 1902385), (17, 1678575), (25, 1141431), (51, 559525), (75, 380477), (85, 335715), (255, 111905), (425, 67143), (1275, 22381)]