18725823

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1511}}^1$

素因数の和:1546

約数の個数: 28

約数和(自身を含む): 29747088

約数和(自身を除く): 11021265

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1511, 4131, 4533, 12393, 13599, 25687, 40797, 77061, 122391, 231183, 367173, 693549, 1101519, 2080647, 6241941, 18725823]

約数ペア:

[(1, 18725823), (3, 6241941), (9, 2080647), (17, 1101519), (27, 693549), (51, 367173), (81, 231183), (153, 122391), (243, 77061), (459, 40797), (729, 25687), (1377, 13599), (1511, 12393), (4131, 4533)]