199989315

素因数分解:

$3^2\times 5^1\times {\mathrm{4444207}}^1$

素因数の和:4444218

約数の個数: 12

約数和(自身を含む): 346648224

約数和(自身を除く): 146658909

約数列:

[1, 3, 5, 9, 15, 45, 4444207, 13332621, 22221035, 39997863, 66663105, 199989315]

約数ペア:

[(1, 199989315), (3, 66663105), (5, 39997863), (9, 22221035), (15, 13332621), (45, 4444207)]