18502749

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1528

約数の個数: 28

約数和(自身を含む): 29392956

約数和(自身を除く): 10890207

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1493, 4131, 4479, 12393, 13437, 25381, 40311, 76143, 120933, 228429, 362799, 685287, 1088397, 2055861, 6167583, 18502749]

約数ペア:

[(1, 18502749), (3, 6167583), (9, 2055861), (17, 1088397), (27, 685287), (51, 362799), (81, 228429), (153, 120933), (243, 76143), (459, 40311), (729, 25381), (1377, 13437), (1493, 12393), (4131, 4479)]