87741981

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10061}}^1$

素因数の和:10106

約数の個数: 32

約数和(自身を含む): 144892800

約数和(自身を除く): 57150819

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2907, 8721, 10061, 30183, 90549, 171037, 191159, 271647, 513111, 573477, 1539333, 1720431, 3249703, 4617999, 5161293, 9749109, 29247327, 87741981]

約数ペア:

[(1, 87741981), (3, 29247327), (9, 9749109), (17, 5161293), (19, 4617999), (27, 3249703), (51, 1720431), (57, 1539333), (153, 573477), (171, 513111), (323, 271647), (459, 191159), (513, 171037), (969, 90549), (2907, 30183), (8721, 10061)]