40744557

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9109}}^1$

素因数の和:9193

約数の個数: 24

約数和(自身を含む): 68215680

約数和(自身を除く): 27471123

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 9109, 27327, 63763, 81981, 191289, 573867, 646739, 1940217, 4527173, 5820651, 13581519, 40744557]

約数ペア:

[(1, 40744557), (3, 13581519), (7, 5820651), (9, 4527173), (21, 1940217), (63, 646739), (71, 573867), (213, 191289), (497, 81981), (639, 63763), (1491, 27327), (4473, 9109)]