80488971

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{2503}}^1$

素因数の和:2912

約数の個数: 20

約数和(自身を含む): 120587632

約数和(自身を除く): 40098661

約数列:

[1, 3, 9, 27, 81, 397, 1191, 2503, 3573, 7509, 10719, 22527, 32157, 67581, 202743, 993691, 2981073, 8943219, 26829657, 80488971]

約数ペア:

[(1, 80488971), (3, 26829657), (9, 8943219), (27, 2981073), (81, 993691), (397, 202743), (1191, 67581), (2503, 32157), (3573, 22527), (7509, 10719)]