27882891

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2273}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 42569280

約数和(自身を除く): 14686389

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 2273, 4089, 6819, 12267, 20457, 65917, 106831, 197751, 320493, 593253, 961479, 3098099, 9294297, 27882891]

約数ペア:

[(1, 27882891), (3, 9294297), (9, 3098099), (29, 961479), (47, 593253), (87, 320493), (141, 197751), (261, 106831), (423, 65917), (1363, 20457), (2273, 12267), (4089, 6819)]