81599931

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1307}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 134943744

約数和(自身を除く): 53343813

約数列:

[1, 3, 7, 9, 21, 63, 991, 1307, 2973, 3921, 6937, 8919, 9149, 11763, 20811, 27447, 62433, 82341, 1295237, 3885711, 9066659, 11657133, 27199977, 81599931]

約数ペア:

[(1, 81599931), (3, 27199977), (7, 11657133), (9, 9066659), (21, 3885711), (63, 1295237), (991, 82341), (1307, 62433), (2973, 27447), (3921, 20811), (6937, 11763), (8919, 9149)]