667764243

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{63907}}^1$

素因数の和:63965

約数の個数: 24

約数和(自身を含む): 1023550528

約数和(自身を除く): 355786285

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 10449, 63907, 191721, 575163, 1725489, 2748001, 5176467, 8244003, 15529401, 24732009, 74196027, 222588081, 667764243]

約数ペア:

[(1, 667764243), (3, 222588081), (9, 74196027), (27, 24732009), (43, 15529401), (81, 8244003), (129, 5176467), (243, 2748001), (387, 1725489), (1161, 575163), (3483, 191721), (10449, 63907)]