199360749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8281

約数の個数: 32

約数和(自身を含む): 325058560

約数和(自身を除く): 125697811

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3477, 8113, 8191, 24339, 24573, 57337, 155629, 172011, 466887, 499651, 1089403, 1498953, 3268209, 3497557, 9493369, 10492671, 28480107, 66453583, 199360749]

約数ペア:

[(1, 199360749), (3, 66453583), (7, 28480107), (19, 10492671), (21, 9493369), (57, 3497557), (61, 3268209), (133, 1498953), (183, 1089403), (399, 499651), (427, 466887), (1159, 172011), (1281, 155629), (3477, 57337), (8113, 24573), (8191, 24339)]