16888977

素因数分解:

$3^2\times 7^3\times {\mathrm{5471}}^1$

素因数の和:5498

約数の個数: 24

約数和(自身を含む): 28454400

約数和(自身を除く): 11565423

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 5471, 16413, 38297, 49239, 114891, 268079, 344673, 804237, 1876553, 2412711, 5629659, 16888977]

約数ペア:

[(1, 16888977), (3, 5629659), (7, 2412711), (9, 1876553), (21, 804237), (49, 344673), (63, 268079), (147, 114891), (343, 49239), (441, 38297), (1029, 16413), (3087, 5471)]