9900549

素因数分解:

$3^9\times {\mathrm{503}}^1$

素因数の和:530

約数の個数: 20

約数和(自身を含む): 14880096

約数和(自身を除く): 4979547

約数列:

[1, 3, 9, 27, 81, 243, 503, 729, 1509, 2187, 4527, 6561, 13581, 19683, 40743, 122229, 366687, 1100061, 3300183, 9900549]

約数ペア:

[(1, 9900549), (3, 3300183), (9, 1100061), (27, 366687), (81, 122229), (243, 40743), (503, 19683), (729, 13581), (1509, 6561), (2187, 4527)]