81403668

素因数分解:

$2^2\times 3^2\times {\mathrm{2261213}}^1$

素因数の和:2261223

約数の個数: 18

約数和(自身を含む): 205770474

約数和(自身を除く): 124366806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2261213, 4522426, 6783639, 9044852, 13567278, 20350917, 27134556, 40701834, 81403668]

約数ペア:

[(1, 81403668), (2, 40701834), (3, 27134556), (4, 20350917), (6, 13567278), (9, 9044852), (12, 6783639), (18, 4522426), (36, 2261213)]