12421899

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 21352656

約数和(自身を除く): 8930757

約数列:

[1, 3, 7, 9, 21, 37, 63, 73, 111, 219, 259, 333, 511, 657, 777, 1533, 2331, 2701, 4599, 5329, 8103, 15987, 18907, 24309, 37303, 47961, 56721, 111909, 170163, 197173, 335727, 591519, 1380211, 1774557, 4140633, 12421899]

約数ペア:

[(1, 12421899), (3, 4140633), (7, 1774557), (9, 1380211), (21, 591519), (37, 335727), (63, 197173), (73, 170163), (111, 111909), (219, 56721), (259, 47961), (333, 37303), (511, 24309), (657, 18907), (777, 15987), (1533, 8103), (2331, 5329), (2701, 4599)]