55131687

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 87680424

約数和(自身を除く): 32548737

約数列:

[1, 3, 9, 13, 39, 67, 117, 169, 201, 507, 541, 603, 871, 1521, 1623, 2613, 4869, 7033, 7839, 11323, 21099, 33969, 36247, 63297, 91429, 101907, 108741, 274287, 326223, 471211, 822861, 1413633, 4240899, 6125743, 18377229, 55131687]

約数ペア:

[(1, 55131687), (3, 18377229), (9, 6125743), (13, 4240899), (39, 1413633), (67, 822861), (117, 471211), (169, 326223), (201, 274287), (507, 108741), (541, 101907), (603, 91429), (871, 63297), (1521, 36247), (1623, 33969), (2613, 21099), (4869, 11323), (7033, 7839)]