31926081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 16227519

約数列:

[1, 3, 11, 33, 43, 129, 149, 151, 447, 453, 473, 1419, 1639, 1661, 4917, 4983, 6407, 6493, 19221, 19479, 22499, 67497, 70477, 71423, 211431, 214269, 247489, 742467, 967457, 2902371, 10642027, 31926081]

約数ペア:

[(1, 31926081), (3, 10642027), (11, 2902371), (33, 967457), (43, 742467), (129, 247489), (149, 214269), (151, 211431), (447, 71423), (453, 70477), (473, 67497), (1419, 22499), (1639, 19479), (1661, 19221), (4917, 6493), (4983, 6407)]