27143739

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 20030661

約数列:

[1, 3, 7, 9, 21, 29, 63, 83, 87, 179, 203, 249, 261, 537, 581, 609, 747, 1253, 1611, 1743, 1827, 2407, 3759, 5191, 5229, 7221, 11277, 14857, 15573, 16849, 21663, 36337, 44571, 46719, 50547, 103999, 109011, 133713, 151641, 311997, 327033, 430853, 935991, 1292559, 3015971, 3877677, 9047913, 27143739]

約数ペア:

[(1, 27143739), (3, 9047913), (7, 3877677), (9, 3015971), (21, 1292559), (29, 935991), (63, 430853), (83, 327033), (87, 311997), (179, 151641), (203, 133713), (249, 109011), (261, 103999), (537, 50547), (581, 46719), (609, 44571), (747, 36337), (1253, 21663), (1611, 16849), (1743, 15573), (1827, 14857), (2407, 11277), (3759, 7221), (5191, 5229)]