1256508747

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 2023394400

約数和(自身を除く): 766885653

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 509, 541, 1521, 1527, 1623, 4563, 4581, 4869, 6617, 7033, 13743, 14607, 19851, 21099, 59553, 63297, 86021, 91429, 178659, 189891, 258063, 274287, 275369, 774189, 822861, 826107, 2322567, 2468583, 2478321, 3579797, 7434963, 10739391, 32218173, 46537361, 96654519, 139612083, 418836249, 1256508747]

約数ペア:

[(1, 1256508747), (3, 418836249), (9, 139612083), (13, 96654519), (27, 46537361), (39, 32218173), (117, 10739391), (169, 7434963), (351, 3579797), (507, 2478321), (509, 2468583), (541, 2322567), (1521, 826107), (1527, 822861), (1623, 774189), (4563, 275369), (4581, 274287), (4869, 258063), (6617, 189891), (7033, 178659), (13743, 91429), (14607, 86021), (19851, 63297), (21099, 59553)]