198279963

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{22973}}^1$

素因数の和:23123

約数の個数: 24

約数和(自身を含む): 329722848

約数和(自身を除く): 131442885

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 22973, 68919, 160811, 206757, 482433, 1447299, 3147301, 9441903, 22031107, 28325709, 66093321, 198279963]

約数ペア:

[(1, 198279963), (3, 66093321), (7, 28325709), (9, 22031107), (21, 9441903), (63, 3147301), (137, 1447299), (411, 482433), (959, 206757), (1233, 160811), (2877, 68919), (8631, 22973)]