18387081

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4451}}^1$

素因数の和:4483

約数の個数: 24

約数和(自身を含む): 29169504

約数和(自身を除く): 10782423

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4451, 13353, 40059, 75667, 120177, 227001, 360531, 681003, 1081593, 2043009, 6129027, 18387081]

約数ペア:

[(1, 18387081), (3, 6129027), (9, 2043009), (17, 1081593), (27, 681003), (51, 360531), (81, 227001), (153, 120177), (243, 75667), (459, 40059), (1377, 13353), (4131, 4451)]