85864617

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{5381}}^1$

素因数の和:5590

約数の個数: 20

約数和(自身を含む): 128941956

約数和(自身を除く): 43077339

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 5381, 15957, 16143, 48429, 145287, 435861, 1060057, 3180171, 9540513, 28621539, 85864617]

約数ペア:

[(1, 85864617), (3, 28621539), (9, 9540513), (27, 3180171), (81, 1060057), (197, 435861), (591, 145287), (1773, 48429), (5319, 16143), (5381, 15957)]