137760399

素因数分解:

$3^3\times 7^1\times {\mathrm{728891}}^1$

素因数の和:728907

約数の個数: 16

約数和(自身を含む): 233245440

約数和(自身を除く): 95485041

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 728891, 2186673, 5102237, 6560019, 15306711, 19680057, 45920133, 137760399]

約数ペア:

[(1, 137760399), (3, 45920133), (7, 19680057), (9, 15306711), (21, 6560019), (27, 5102237), (63, 2186673), (189, 728891)]