28659075

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1811}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 47633856

約数和(自身を除く): 18974781

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1811, 3165, 5275, 5433, 9055, 15825, 27165, 45275, 135825, 382121, 1146363, 1910605, 5731815, 9553025, 28659075]

約数ペア:

[(1, 28659075), (3, 9553025), (5, 5731815), (15, 1910605), (25, 1146363), (75, 382121), (211, 135825), (633, 45275), (1055, 27165), (1811, 15825), (3165, 9055), (5275, 5433)]