28872153

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1$

素因数の和:2498

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 18129447

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 2447, 3933, 7341, 11799, 22023, 46493, 56281, 66069, 139479, 168843, 418437, 506529, 1069339, 1255311, 1519587, 3208017, 9624051, 28872153]

約数ペア:

[(1, 28872153), (3, 9624051), (9, 3208017), (19, 1519587), (23, 1255311), (27, 1069339), (57, 506529), (69, 418437), (171, 168843), (207, 139479), (437, 66069), (513, 56281), (621, 46493), (1311, 22023), (2447, 11799), (3933, 7341)]