28208025

素因数分解:

$3^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:742

約数の個数: 36

約数和(自身を含む): 50816688

約数和(自身を除く): 22608663

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 283, 443, 849, 1329, 1415, 2215, 2547, 3987, 4245, 6645, 7075, 11075, 12735, 19935, 21225, 33225, 63675, 99675, 125369, 376107, 626845, 1128321, 1880535, 3134225, 5641605, 9402675, 28208025]

約数ペア:

[(1, 28208025), (3, 9402675), (5, 5641605), (9, 3134225), (15, 1880535), (25, 1128321), (45, 626845), (75, 376107), (225, 125369), (283, 99675), (443, 63675), (849, 33225), (1329, 21225), (1415, 19935), (2215, 12735), (2547, 11075), (3987, 7075), (4245, 6645)]