28428825

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4259}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 47541600

約数和(自身を除く): 19112775

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 4259, 6675, 12777, 21295, 63885, 106475, 319425, 379051, 1137153, 1895255, 5685765, 9476275, 28428825]

約数ペア:

[(1, 28428825), (3, 9476275), (5, 5685765), (15, 1895255), (25, 1137153), (75, 379051), (89, 319425), (267, 106475), (445, 63885), (1335, 21295), (2225, 12777), (4259, 6675)]