5128641

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 8546304

約数和(自身を除く): 3417663

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 641, 889, 1143, 1923, 2667, 4487, 5769, 8001, 13461, 40383, 81407, 244221, 569849, 732663, 1709547, 5128641]

約数ペア:

[(1, 5128641), (3, 1709547), (7, 732663), (9, 569849), (21, 244221), (63, 81407), (127, 40383), (381, 13461), (641, 8001), (889, 5769), (1143, 4487), (1923, 2667)]