16655247

素因数分解:

$3^3\times 7^2\times {\mathrm{12589}}^1$

素因数の和:12612

約数の個数: 24

約数和(自身を含む): 28705200

約数和(自身を除く): 12049953

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 12589, 37767, 88123, 113301, 264369, 339903, 616861, 793107, 1850583, 2379321, 5551749, 16655247]

約数ペア:

[(1, 16655247), (3, 5551749), (7, 2379321), (9, 1850583), (21, 793107), (27, 616861), (49, 339903), (63, 264369), (147, 113301), (189, 88123), (441, 37767), (1323, 12589)]