28473825

素因数分解:

$3^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{857}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 47238048

約数和(自身を除く): 18764223

約数列:

[1, 3, 5, 15, 25, 75, 443, 857, 1329, 2215, 2571, 4285, 6645, 11075, 12855, 21425, 33225, 64275, 379651, 1138953, 1898255, 5694765, 9491275, 28473825]

約数ペア:

[(1, 28473825), (3, 9491275), (5, 5694765), (15, 1898255), (25, 1138953), (75, 379651), (443, 64275), (857, 33225), (1329, 21425), (2215, 12855), (2571, 11075), (4285, 6645)]