31084431

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 49889280

約数和(自身を除く): 18804849

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 417, 463, 483, 973, 1389, 2919, 3197, 3241, 9591, 9723, 10649, 22379, 31947, 64357, 67137, 74543, 193071, 223629, 450499, 1351497, 1480211, 4440633, 10361477, 31084431]

約数ペア:

[(1, 31084431), (3, 10361477), (7, 4440633), (21, 1480211), (23, 1351497), (69, 450499), (139, 223629), (161, 193071), (417, 74543), (463, 67137), (483, 64357), (973, 31947), (1389, 22379), (2919, 10649), (3197, 9723), (3241, 9591)]