40539219

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1307}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 63223488

約数和(自身を除く): 22684269

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 1307, 1477, 3921, 4431, 9149, 10339, 27447, 31017, 64043, 192129, 275777, 827331, 1930439, 5791317, 13513073, 40539219]

約数ペア:

[(1, 40539219), (3, 13513073), (7, 5791317), (21, 1930439), (49, 827331), (147, 275777), (211, 192129), (633, 64043), (1307, 31017), (1477, 27447), (3921, 10339), (4431, 9149)]