16909641

素因数分解:

$3^5\times 7^1\times {\mathrm{9941}}^1$

素因数の和:9963

約数の個数: 24

約数和(自身を含む): 28951104

約数和(自身を除く): 12041463

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 9941, 29823, 69587, 89469, 208761, 268407, 626283, 805221, 1878849, 2415663, 5636547, 16909641]

約数ペア:

[(1, 16909641), (3, 5636547), (7, 2415663), (9, 1878849), (21, 805221), (27, 626283), (63, 268407), (81, 208761), (189, 89469), (243, 69587), (567, 29823), (1701, 9941)]