80858169

素因数分解:

$3^4\times 7^1\times {\mathrm{142607}}^1$

素因数の和:142626

約数の個数: 20

約数和(自身を含む): 138044544

約数和(自身を除く): 57186375

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 142607, 427821, 998249, 1283463, 2994747, 3850389, 8984241, 11551167, 26952723, 80858169]

約数ペア:

[(1, 80858169), (3, 26952723), (7, 11551167), (9, 8984241), (21, 3850389), (27, 2994747), (63, 1283463), (81, 998249), (189, 427821), (567, 142607)]