13129641

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 22446080

約数和(自身を除く): 9316439

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 547, 889, 1143, 1641, 2667, 3429, 3829, 4923, 8001, 11487, 14769, 24003, 34461, 69469, 103383, 208407, 486283, 625221, 1458849, 1875663, 4376547, 13129641]

約数ペア:

[(1, 13129641), (3, 4376547), (7, 1875663), (9, 1458849), (21, 625221), (27, 486283), (63, 208407), (127, 103383), (189, 69469), (381, 34461), (547, 24003), (889, 14769), (1143, 11487), (1641, 8001), (2667, 4923), (3429, 3829)]