199441683

素因数分解:

$3^4\times 7^1\times {\mathrm{351749}}^1$

素因数の和:351768

約数の個数: 20

約数和(自身を含む): 340494000

約数和(自身を除く): 141052317

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 351749, 1055247, 2462243, 3165741, 7386729, 9497223, 22160187, 28491669, 66480561, 199441683]

約数ペア:

[(1, 199441683), (3, 66480561), (7, 28491669), (9, 22160187), (21, 9497223), (27, 7386729), (63, 3165741), (81, 2462243), (189, 1055247), (567, 351749)]