199393947

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 304153920

約数和(自身を除く): 104759973

約数列:

[1, 3, 9, 27, 41, 123, 281, 369, 641, 843, 1107, 1923, 2529, 5769, 7587, 11521, 17307, 26281, 34563, 78843, 103689, 180121, 236529, 311067, 540363, 709587, 1621089, 4863267, 7384961, 22154883, 66464649, 199393947]

約数ペア:

[(1, 199393947), (3, 66464649), (9, 22154883), (27, 7384961), (41, 4863267), (123, 1621089), (281, 709587), (369, 540363), (641, 311067), (843, 236529), (1107, 180121), (1923, 103689), (2529, 78843), (5769, 34563), (7587, 26281), (11521, 17307)]