12720078

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{3739}}^1$

素因数の和:3763

約数の個数: 48

約数和(自身を含む): 32672640

約数和(自身を除く): 19952562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 3739, 7478, 11217, 22434, 26173, 33651, 52346, 67302, 78519, 100953, 157038, 201906, 235557, 302859, 471114, 605718, 706671, 908577, 1413342, 1817154, 2120013, 4240026, 6360039, 12720078]

約数ペア:

[(1, 12720078), (2, 6360039), (3, 4240026), (6, 2120013), (7, 1817154), (9, 1413342), (14, 908577), (18, 706671), (21, 605718), (27, 471114), (42, 302859), (54, 235557), (63, 201906), (81, 157038), (126, 100953), (162, 78519), (189, 67302), (243, 52346), (378, 33651), (486, 26173), (567, 22434), (1134, 11217), (1701, 7478), (3402, 3739)]