28122825

素因数分解:

$3^1\times 5^2\times {\mathrm{569}}^1\times {\mathrm{659}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 46648800

約数和(自身を除く): 18525975

約数列:

[1, 3, 5, 15, 25, 75, 569, 659, 1707, 1977, 2845, 3295, 8535, 9885, 14225, 16475, 42675, 49425, 374971, 1124913, 1874855, 5624565, 9374275, 28122825]

約数ペア:

[(1, 28122825), (3, 9374275), (5, 5624565), (15, 1874855), (25, 1124913), (75, 374971), (569, 49425), (659, 42675), (1707, 16475), (1977, 14225), (2845, 9885), (3295, 8535)]