75438531

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 136940544

約数和(自身を除く): 61502013

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 107, 133, 171, 217, 279, 321, 361, 399, 589, 651, 749, 963, 1083, 1197, 1767, 1953, 2033, 2247, 2527, 3249, 3317, 4123, 5301, 6099, 6741, 7581, 9951, 11191, 12369, 14231, 18297, 22743, 23219, 29853, 33573, 37107, 38627, 42693, 63023, 69657, 78337, 100719, 115881, 128079, 189069, 208971, 235011, 270389, 347643, 441161, 567207, 705033, 811167, 1197437, 1323483, 2433501, 3592311, 3970449, 8382059, 10776933, 25146177, 75438531]

約数ペア:

[(1, 75438531), (3, 25146177), (7, 10776933), (9, 8382059), (19, 3970449), (21, 3592311), (31, 2433501), (57, 1323483), (63, 1197437), (93, 811167), (107, 705033), (133, 567207), (171, 441161), (217, 347643), (279, 270389), (321, 235011), (361, 208971), (399, 189069), (589, 128079), (651, 115881), (749, 100719), (963, 78337), (1083, 69657), (1197, 63023), (1767, 42693), (1953, 38627), (2033, 37107), (2247, 33573), (2527, 29853), (3249, 23219), (3317, 22743), (4123, 18297), (5301, 14231), (6099, 12369), (6741, 11191), (7581, 9951)]