68938857

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 112723520

約数和(自身を除く): 43784663

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 139, 157, 243, 351, 417, 471, 1053, 1251, 1413, 1807, 2041, 3159, 3753, 4239, 5421, 6123, 11259, 12717, 16263, 18369, 21823, 33777, 38151, 48789, 55107, 65469, 146367, 165321, 196407, 283699, 439101, 495963, 589221, 851097, 1767663, 2553291, 5302989, 7659873, 22979619, 68938857]

約数ペア:

[(1, 68938857), (3, 22979619), (9, 7659873), (13, 5302989), (27, 2553291), (39, 1767663), (81, 851097), (117, 589221), (139, 495963), (157, 439101), (243, 283699), (351, 196407), (417, 165321), (471, 146367), (1053, 65469), (1251, 55107), (1413, 48789), (1807, 38151), (2041, 33777), (3159, 21823), (3753, 18369), (4239, 16263), (5421, 12717), (6123, 11259)]