12728637

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 19968000

約数和(自身を除く): 7239363

約数列:

[1, 3, 9, 23, 27, 69, 103, 199, 207, 309, 597, 621, 927, 1791, 2369, 2781, 4577, 5373, 7107, 13731, 20497, 21321, 41193, 61491, 63963, 123579, 184473, 471431, 553419, 1414293, 4242879, 12728637]

約数ペア:

[(1, 12728637), (3, 4242879), (9, 1414293), (23, 553419), (27, 471431), (69, 184473), (103, 123579), (199, 63963), (207, 61491), (309, 41193), (597, 21321), (621, 20497), (927, 13731), (1791, 7107), (2369, 5373), (2781, 4577)]