64261719

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 95550000

約数和(自身を除く): 31288281

約数列:

[1, 3, 9, 41, 123, 349, 369, 499, 1047, 1497, 3141, 4491, 14309, 20459, 42927, 61377, 128781, 174151, 184131, 522453, 1567359, 7140191, 21420573, 64261719]

約数ペア:

[(1, 64261719), (3, 21420573), (9, 7140191), (41, 1567359), (123, 522453), (349, 184131), (369, 174151), (499, 128781), (1047, 61377), (1497, 42927), (3141, 20459), (4491, 14309)]