64945557

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{4919}}^1$

素因数の和:5094

約数の個数: 20

約数和(自身を含む): 97632480

約数和(自身を除く): 32686923

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 4919, 13203, 14757, 44271, 132813, 398439, 801797, 2405391, 7216173, 21648519, 64945557]

約数ペア:

[(1, 64945557), (3, 21648519), (9, 7216173), (27, 2405391), (81, 801797), (163, 398439), (489, 132813), (1467, 44271), (4401, 14757), (4919, 13203)]