198397359

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{310481}}^1$

素因数の和:310558

約数の個数: 12

約数和(自身を含む): 290611152

約数和(自身を除く): 92213793

約数列:

[1, 3, 9, 71, 213, 639, 310481, 931443, 2794329, 22044151, 66132453, 198397359]

約数ペア:

[(1, 198397359), (3, 66132453), (9, 22044151), (71, 2794329), (213, 931443), (639, 310481)]