64557171

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2087}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 106838784

約数和(自身を除く): 42281613

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 2087, 3437, 4419, 6261, 10311, 14609, 18783, 30933, 43827, 131481, 1024717, 3074151, 7173019, 9222453, 21519057, 64557171]

約数ペア:

[(1, 64557171), (3, 21519057), (7, 9222453), (9, 7173019), (21, 3074151), (63, 1024717), (491, 131481), (1473, 43827), (2087, 30933), (3437, 18783), (4419, 14609), (6261, 10311)]