664146

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{251}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 1723680

約数和(自身を除く): 1059534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 251, 294, 378, 441, 502, 753, 882, 1323, 1506, 1757, 2259, 2646, 3514, 4518, 5271, 6777, 10542, 12299, 13554, 15813, 24598, 31626, 36897, 47439, 73794, 94878, 110691, 221382, 332073, 664146]

約数ペア:

[(1, 664146), (2, 332073), (3, 221382), (6, 110691), (7, 94878), (9, 73794), (14, 47439), (18, 36897), (21, 31626), (27, 24598), (42, 15813), (49, 13554), (54, 12299), (63, 10542), (98, 6777), (126, 5271), (147, 4518), (189, 3514), (251, 2646), (294, 2259), (378, 1757), (441, 1506), (502, 1323), (753, 882)]