28673325

素因数分解:

$3^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 53300160

約数和(自身を除く): 24626835

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 107, 135, 225, 321, 397, 535, 675, 963, 1191, 1605, 1985, 2675, 2889, 3573, 4815, 5955, 8025, 9925, 10719, 14445, 17865, 24075, 29775, 42479, 53595, 72225, 89325, 127437, 212395, 267975, 382311, 637185, 1061975, 1146933, 1911555, 3185925, 5734665, 9557775, 28673325]

約数ペア:

[(1, 28673325), (3, 9557775), (5, 5734665), (9, 3185925), (15, 1911555), (25, 1146933), (27, 1061975), (45, 637185), (75, 382311), (107, 267975), (135, 212395), (225, 127437), (321, 89325), (397, 72225), (535, 53595), (675, 42479), (963, 29775), (1191, 24075), (1605, 17865), (1985, 14445), (2675, 10719), (2889, 9925), (3573, 8025), (4815, 5955)]