199329417

素因数分解:

$3^4\times 7^1\times {\mathrm{351551}}^1$

素因数の和:351570

約数の個数: 20

約数和(自身を含む): 340302336

約数和(自身を除く): 140972919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 351551, 1054653, 2460857, 3163959, 7382571, 9491877, 22147713, 28475631, 66443139, 199329417]

約数ペア:

[(1, 199329417), (3, 66443139), (7, 28475631), (9, 22147713), (21, 9491877), (27, 7382571), (63, 3163959), (81, 2460857), (189, 1054653), (567, 351551)]