28003755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143609}}^1$

素因数の和:143630

約数の個数: 16

約数和(自身を含む): 48252960

約数和(自身を除く): 20249205

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 143609, 430827, 718045, 1866917, 2154135, 5600751, 9334585, 28003755]

約数ペア:

[(1, 28003755), (3, 9334585), (5, 5600751), (13, 2154135), (15, 1866917), (39, 718045), (65, 430827), (195, 143609)]