28627053

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5519}}^1$

素因数の和:5561

約数の個数: 32

約数和(自身を含む): 49459200

約数和(自身を除く): 20832147

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 5519, 16557, 38633, 71747, 104861, 115899, 215241, 314583, 502229, 734027, 1363193, 1506687, 2202081, 4089579, 9542351, 28627053]

約数ペア:

[(1, 28627053), (3, 9542351), (7, 4089579), (13, 2202081), (19, 1506687), (21, 1363193), (39, 734027), (57, 502229), (91, 314583), (133, 215241), (247, 115899), (273, 104861), (399, 71747), (741, 38633), (1729, 16557), (5187, 5519)]