28312065

素因数分解:

$3^3\times 5^1\times {\mathrm{209719}}^1$

素因数の和:209733

約数の個数: 16

約数和(自身を含む): 50332800

約数和(自身を除く): 22020735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209719, 629157, 1048595, 1887471, 3145785, 5662413, 9437355, 28312065]

約数ペア:

[(1, 28312065), (3, 9437355), (5, 5662413), (9, 3145785), (15, 1887471), (27, 1048595), (45, 629157), (135, 209719)]