28560075

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1933}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 47483568

約数和(自身を除く): 18923493

約数列:

[1, 3, 5, 15, 25, 75, 197, 591, 985, 1933, 2955, 4925, 5799, 9665, 14775, 28995, 48325, 144975, 380801, 1142403, 1904005, 5712015, 9520025, 28560075]

約数ペア:

[(1, 28560075), (3, 9520025), (5, 5712015), (15, 1904005), (25, 1142403), (75, 380801), (197, 144975), (591, 48325), (985, 28995), (1933, 14775), (2955, 9665), (4925, 5799)]