64911213

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{4027}}^1$

素因数の和:4238

約数の個数: 20

約数和(自身を含む): 97477600

約数和(自身を除く): 32566387

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 4027, 5373, 12081, 16119, 36243, 108729, 326187, 801373, 2404119, 7212357, 21637071, 64911213]

約数ペア:

[(1, 64911213), (3, 21637071), (9, 7212357), (27, 2404119), (81, 801373), (199, 326187), (597, 108729), (1791, 36243), (4027, 16119), (5373, 12081)]