12747231

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 22284288

約数和(自身を除く): 9537057

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 107, 183, 217, 279, 321, 427, 549, 651, 749, 963, 1281, 1891, 1953, 2247, 3317, 3843, 5673, 6527, 6741, 9951, 13237, 17019, 19581, 23219, 29853, 39711, 45689, 58743, 69657, 119133, 137067, 202337, 208971, 411201, 607011, 1416359, 1821033, 4249077, 12747231]

約数ペア:

[(1, 12747231), (3, 4249077), (7, 1821033), (9, 1416359), (21, 607011), (31, 411201), (61, 208971), (63, 202337), (93, 137067), (107, 119133), (183, 69657), (217, 58743), (279, 45689), (321, 39711), (427, 29853), (549, 23219), (651, 19581), (749, 17019), (963, 13237), (1281, 9951), (1891, 6741), (1953, 6527), (2247, 5673), (3317, 3843)]