15257907

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1907}}^1$

素因数の和:2047

約数の個数: 24

約数和(自身を含む): 25399296

約数和(自身を除く): 10141389

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 1907, 2667, 5721, 8001, 13349, 17163, 40047, 120141, 242189, 726567, 1695323, 2179701, 5085969, 15257907]

約数ペア:

[(1, 15257907), (3, 5085969), (7, 2179701), (9, 1695323), (21, 726567), (63, 242189), (127, 120141), (381, 40047), (889, 17163), (1143, 13349), (1907, 8001), (2667, 5721)]